题目内容
直接写出得数
1.3＋4.8＝ 0.7－0.2＝ 0.7＋0.3＝ 7.2－0.9＝ 2.2＋4.3＝
答案：6.1;0.5;1;6.3;6.5
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1÷ = |  + = |  ÷ = | ÷3= | ×= |
 - = |  ÷7= |  ÷ = | 4× = |  ÷8= |
 ×= | ÷ = |  ÷0.5= | 5× = | - = |
 ×0= | 0.3× = | ÷ = |  ÷4= | +0.5= |
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 += |  -= | += | 1- = | += |  = |
+ = |  -= | 3- = |  + = | 3÷7= | 43= |
直接写出得数
| += |  -= | 1-= | 3-= |
 - = | 2-（- ）= | 1- - = |  + - = |
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| 1÷= |  ÷3= | 1÷= | 0÷= | 12÷= |
 = |  = |  = | +0.7= |  ÷4= |
 = | 13÷ ×0= | 1÷ = |