列式计算.
117×8= | 708×4= | 654÷6=验算: | 561÷7=验算: |
下面各题,怎样简便就怎样算.
(1)10.75-(2.4-0.86) | (2)9.61-4.38+0.35 |
(3)3.87+4.92+1.13 | (4)46.24-8.66-1.34 |
(5)21.9-9.22-0.78+8.1 | (6)(745-25×16)÷15. |
117×8= | 708×4= | 654÷6=验算: | 561÷7=验算: |
(1)10.75-(2.4-0.86) | (2)9.61-4.38+0.35 |
(3)3.87+4.92+1.13 | (4)46.24-8.66-1.34 |
(5)21.9-9.22-0.78+8.1 | (6)(745-25×16)÷15. |