Kt toan 6

ĐỀ KIỂM TRA TOÁN

Câu 1: Thực hiện phép tính.
a. 3.52 – 16:22 b. 23.17 – 23.14 c. 20 – [ 30 – (5 – 1)2 ]
d. 720 : [41 – (2.14 – 5)]- 23.5 e.
.

Câu 2: a. Tìm ƯCLN(24;108)
b.Tìm BCNN(12;18;40)
c.Một đội y tế có 24 bác sĩ và 108 y tá có thể chia nhiều nhất thành mấy tổ để số bác sĩ cũng như số y tá được chia đều vào các tổ.
Câu 3: a. Tìm số có ba chữ số biết rằng chữ số hàng trăm là số nguyên tố nhỏ nhất và lấy số đó chia cho 10 và 12 đều dư 8
b.Tìm các chữ số x, y để
chia hết cho 4 và 9
c.Tìm các chữ số a, b sao cho a – b = 4 và
chia hết cho 3
Câu 4: Tìm hai số a và b (a>b) biết rằng a.b = 300 và ƯCLN(a,b) = 5
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................