作业帮0.84×1.2+8.4×0.88 = = = = = =
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/15 12:47:05
0.84×1.2+8.4×0.88 = = = = = =
0.84×1.2+8.4×0.88 = = = = = =
0.84×1.2+8.4×0.88 = = = = = =
=0.84×1.2+0.84×8.8
=0.84×（1.2+8.8）
=0.84×10
=8.4
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来源：学生作业帮助网 编辑：作业帮 时间：2024/05/15 12:47:05
0.84×1.2+8.4×0.88 = = = = = =
0.84×1.2+8.4×0.88 = = = = = =
0.84×1.2+8.4×0.88 = = = = = =
=0.84×1.2+0.84×8.8
=0.84×（1.2+8.8）
=0.84×10
=8.4