8.8ᘧ࿾12.5简便计算急

2025-06-28 00:52:53
推荐回答(4个)
回答1:

8.8×12.5
=(1.1×8)×12.5
=1.1×(8×12.5)
=1.1×100
=110

回答2:

两种方法
8.8×12.5
=1.1×8×12.5
=1.1×(8×12.5)
=1.1×100
=110
8.8×12.5
=8×12.5+0.8×12.5
=100+10
=110

回答3:

8.8×12.5

=1.1×8×12.8

=1.1×(8×12.5)

=1.1×100

=110

回答4:

8.8×12.5
=(8+0.8)×12.5
=8×12.5+0.8×12.5
=100+10
=110