7.2*4.12+4.12*1.6+8.8*0.88简便计算

2025-02-03 06:03:55
推荐回答(4个)
回答1:

=4.12×(7.2+1.6)+8.8×0.88
=4.12×8.8+8.8×0.88
=8.8×(4.12+0.88)
=8.8×5
=44

回答2:

先做前面两组,如下:

4.12(7.2+1.6)+8.8*0.88=4.12*8.8+0.88*8.8=8.8(4.12+0.88)=44

回答3:

(7.2+1.6)*4.12+8.8*0.88=8.8*4.12+8.8*0.88=8.8*(4.12+0.88)=8.8*5=44

回答4: