简便运算201×9.8-9.8用简便运算怎么算?

2025-03-01 02:57:52
推荐回答(5个)
回答1:

201×9.8-9.8
=9.8×(201-1)
=9.8×200
=1960

回答2:

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!

回答3:

201×9.8-9.8
=(201-1)×(10-0.2)
=200×10-200×0.2
=2000-40
=1960

回答4:

1960

回答5:

(201-1)x9.8