1又4⼀7×5⼀6-4⼀7+11⼀7×1⼀6+1⼀9等于多少?

2024-11-22 16:37:49
推荐回答(1个)
回答1:

1又4/7×5/6-4/7+11/7×1/6+1/9
=11/7x5/6+11/7x1/6-4/7+1/9
=11/7x(5/6+1/6)-4/7+1/9
=11/7-4/7+1/9
=1+1/9
=1又1/9