9.8*3.6怎么简算9.8*3.6和7.5*1.9*0.4怎么简算???

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9.8*3.6怎么简算9.8*3.6和7.5*1.9*0.4怎么简算???9.8*3.6怎么简算9.8*3.6和7.5*1.9*0.4怎么简算???9.8*3.6怎么简算9.8*3.6和7.5*1.9

9.8*3.6怎么简算9.8*3.6和7.5*1.9*0.4怎么简算???
9.8*3.6怎么简算
9.8*3.6和7.5*1.9*0.4怎么简算???

9.8*3.6怎么简算9.8*3.6和7.5*1.9*0.4怎么简算???
9.8*3.6
=(10-0.2)×3.6
=36-0.72
=35.28

现在的小学题目都好难