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巧算3.6×11.1+1.2×66.7
人气:343 ℃ 时间:2020-04-23 00:50:17
解答
3×1.2×11.1+1.2×66.7=1.2×33.3+1.2×66.7=1.2×(33.3+66.7)=120
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