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数学
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0.79*0.46 7.9*0.24 11.4*0.079用简便的方法怎么做
人气:464 ℃ 时间:2019-09-17 04:10:03
解答
0.79*0.46+7.9*0.24+11.4*0.079
=0.79*0.46+0.79*2.4+1.14*0.79
=0.79*(0.46+2.4+1.14)
=0.79*3
=2.37
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0.79×0.46+7.9×0.24+11.4×0.079
7.5*23+31*2.5简便运算 0.79*0.46+7.9*0.24+11.4*0.079的简便运算
0.79×0.46+7.9×0.24+11.4×0.079=?简便计算!
7.5×23+31×2.5 0.79×0.46+7.9×0.24+11.4×0.079
0.79乘0.46加7.9乘0.24加11.4乘0.079用简便方法计算?
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