题目内容
口算
|
(1)0.8 ×25＝ |
(2)0.57 ＋0.43＝ |
|
(3)2.4 ×0.2＝ |
(4)0 ×4.23＝ |
答案：20;1;0.48;0
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相关题目
口算
1 - +0.8= | 7.4-（1 + ）= | 1 - - = | 1.25×7×8= | 12 ÷3= |
| 0.25×0.4= | 4.4-3= | 4÷0.25= | 3÷10%= | 11 ×6= |
 +1÷2 = |  ×（1-）= | 2×0.75= |  ÷ = | 5÷25÷0.4= |
| 0.8××5= | ÷×= | （0.18+ ）÷9= |  × ÷×= | ×÷= |
口算
| 1÷0.01= | 2.4× = | 456-199= | 0.25÷= |
| +0.25= |  = |  = |  = |
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