如题所述
简便运算54ⅹ12+18ⅹ24
=162×4+108×4
=(162+108)×4
=270×4
=1080
真希望能帮到你!
=162×4+108×4
=(162+108)×4
=270×4
=1080
真希望能帮到你!
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第1个回答 2020-04-17
简便计算
54ⅹ12+18ⅹ24
=54x12+18x2x12
=(54+36)x12
=90x12
=1080
54ⅹ12+18ⅹ24
=54x12+18x2x12
=(54+36)x12
=90x12
=1080