题目内容
口算
(1)85÷5= (2)700÷7=
(3)200÷50= (4)90×90=
答案:17;100;4;8100
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口算
|
(1)0.6 ×0.4= |
(2)3.6 ×2= |
(3)1.75 ×1= |
|
(4)0.01 ×24= |
(5)5.38 ×0= |
(6)3.71 ×100= |
|
(7)0.85 ×2= |
(8)0.31 ×3= |
(9)0.21 ×0.3= |
口算
| 1 | 7.4-(1 | 1 | 1.25×7×8= | 12 |
| 0.25×0.4= | 4.4-3 | 4÷0.25= | 3÷10%= | 11 |
| 2×0.75= | 5÷25÷0.4= | |||
| 0.8× | (0.18+ |