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36.4*0.46+3.6*5.4简便运算
人气:386 ℃ 时间:2020-02-15 08:47:48
解答
36.4*0.46+3.6*5.4简便运算
=( 36+0.4 )*0.46+36*0.54
= 36 x 0.46 + 36 x 0.54 + 0.4 x0.46
=36 x (0.46 +0.54)+ 0.184
=36 .184
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