如题所述
第1个回答 2017-10-28
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第2个回答 推荐于2017-10-28
2.4x0.8+0.48
=2.4×0.8+2.4×0.2
=2.4×(0.8+0.2)
=2.4×1
=2.4本回答被网友采纳
=2.4×0.8+2.4×0.2
=2.4×(0.8+0.2)
=2.4×1
=2.4本回答被网友采纳
第3个回答 2017-10-28
2.4x0.8➕0.48简便计算
2.4x0.8➕0.48
=2.4x0.8+2.4x0.2
=2.4x(0.8+0.2)
=2.4x1
=2.4
2.4x0.8➕0.48
=2.4x0.8+2.4x0.2
=2.4x(0.8+0.2)
=2.4x1
=2.4