56×9.81-5.6×8.1+5.6×10怎么简便计算?

2024-11-24 02:31:31
推荐回答(5个)
回答1:

=56×9.81-56×0.81+56×1
=56×(9.81-0.81+1)
=56×10
=560

回答2:

56x9.81-5.6x8.1+5.6x10
=56x(9.81-0.81+1)
=56x10
=560

回答3:

=56×(9.81-0.81+1)
=560

回答4:

56×9.81-5.6×8.1+5.6×10
=5.6×10×(9+0.81)-5.6×8.1+5.6×10
=5.6×10×9+5.6×10×0.81-5.6×8.1+5.6×10
=56×(9+1)
=560

回答5:

解:56×9.81-5.6×8.1+5.6×10
原式=56×9.81-56×0.81+56
=56×(9.81-0.81+1)
=56×(9+1)
=56×10
=560