第1个回答 2018-09-12
201×9.8-9.8
=9.8×(201-1)
=9.8×200
=1960本回答被网友采纳
第2个回答 2018-09-12
201×9.8-9.8
=(201-1)x9.8
=200x9.8
=200x(10-0.2)
=200x10-200x0.2
=2000-40
=1960
希望能帮到你!
第3个回答 2018-09-12
201×9.8-9.8
=(201-1)×(10-0.2)
=200×10-200×0.2
=2000-40
=1960
第4个回答 2018-09-12
1960
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第5个回答 2018-09-12
(201-1)x9.8