8.8*1.25*100⼀4用简便方法计算

2025-03-07 02:52:20
推荐回答(3个)
回答1:

8.8×1.25×100÷4
=(1.1×8)×1.25×(100÷4)
=1.1×(8×1.25)×25
=1.1×10×25
=11×25
=(10+1)×25
=250+25
=275

回答2:

8.8×1.25×100÷4
=(1.1×8)×1.25×(100÷4)
=1.1×(8×1.25)×25
=1.1×10×25
=11×25
=275

回答3:

2.2*1.25*100=125*(20+2)=2750