用简便方法计算2⼀3-5⼀8*2⼀3

2024-12-03 16:20:07
推荐回答(2个)
回答1:

用简便方法计算2/3-5/8*2/3
=2/3x(1-5/8)
=2/3x3/8
=1/4

回答2:

解: 2/3-5/8*2/3

=2/3*(1-5/8)

=2/3 *3/8

=1/4