46.3*0.56+5.38+5.6-0.056简算
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46.3*0.56+5.38+5.6-0.056简算
46.3*0.56+5.38+5.6-0.056
=46.3*0.56+53.8+0.56-0.56×0.1
=(46.3+53.8-0.1)×0.56
=100×0.56
=56
再问: 是5.38不是53.8
再答: 46.3*0.56+5.38×5.6-0.056 =46.3*0.56+53.8×0.56-0.56×0.1 =(46.3+53.8-0.1)×0.56 =100×0.56 =56 中间是乘号,5.38扩大10倍,5.6缩小10倍,乘积不变。
再问: 得数不对吧
再答: 题目有问题,简便运算题,5.38+5.6应该是:5.38×5.6
=46.3*0.56+53.8+0.56-0.56×0.1
=(46.3+53.8-0.1)×0.56
=100×0.56
=56
再问: 是5.38不是53.8
再答: 46.3*0.56+5.38×5.6-0.056 =46.3*0.56+53.8×0.56-0.56×0.1 =(46.3+53.8-0.1)×0.56 =100×0.56 =56 中间是乘号,5.38扩大10倍,5.6缩小10倍,乘积不变。
再问: 得数不对吧
再答: 题目有问题,简便运算题,5.38+5.6应该是:5.38×5.6
46.3*0.56+5.38+5.6-0.056简算
46.3*0.56+5.38*5.6-0.056
46.3×0.56+5.38×5.6-0.056怎样算?
46.3*0.56+5.38*5.6-0.056=?
简算:46.3×0.56+5.38×5.6-1×0.056 136.24+436.24+736.24+936.24
46.3*0.56+5.38*5.6-0.056的简便计算,急
46.3乘0.56加5.38乘5.6减0.056的简便运算
46.1乘0.56加5.38乘5.6加1乘0.056
求小数乘法练习题答案一、简便运算46.3*0.56+5.38*5.6-1*0.05611*22+0.22*3300+33
简便计算题简便计算46.3x0.56+5.38x5.6-1x.0.056
46.3x0.56+5.38x5.6-0.056用简便方法咋算
用简便方法计算:5.6×0.38+0.56×4.7+0.056×15