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5.61乘9.9乘0.38除(0.19乘3又10分之3乘1.1)等于多少
人气:193 ℃ 时间:2019-10-19 16:49:26
解答
5.61乘9.9乘0.38除(0.19乘3又10分之3乘1.1)
=5.61x9x1.1x0.19x2÷(0.19x3.3x1.1)
=5.61x9x2÷3.3
=5.5x1.1x3x2÷3.3
=5.5x2
=11
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