(1⼀3-1⼀4)÷1⼀2+5⼀6

简便运算
2024-11-16 21:31:34
推荐回答(1个)
回答1:

因为5/6=1/2+1/3
所以:
=1/3*2+1/4*2+1/2+1/3
=(2/3+1/3)+(1/2+1/2)
=1+1
=2