85乘以102怎样简便运算?

2024-11-29 20:53:38
推荐回答(4个)
回答1:

0.85x102等于0.85X(100+2)=0.85x100+0.85x2=85+1.7=86.7

回答2:

85×102
=85×(100+2)
=85×100+85×2
=8500+170
=8670

回答3:

85x102
=85×(100+2)
=85×100+85×2
=8500+170
=8670

回答4:

80X100十5X100十2X85