3.6x2.7+18x0.56-1.8x10%/10%
/ =除以
怎样简算!
人气:305 ℃ 时间:2020-05-19 19:17:17
解答
3.6x2.7+18x0.56-1.8x10%/10%
=1.8x5.4+1.8x5.6-1.8x1
=1.8×(5.4+5.6-1)
=1.8×10
=18
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