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简便方法计算:123.4乘1.234加24.68乘43.84=
人气:473 ℃ 时间:2020-03-27 22:34:20
解答
123.4*1.234+24.68*43.84
=12.34*12.34+12.34*87.68
=12.34*(12.34+87.68)
=12.34*(100+0.02)
=1234+0.2468
=1234.2468
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