9⼀10-3+x等于3⼀4这个方程怎么解?

2024-12-27 14:40:29
推荐回答(3个)
回答1:

9/10-3+x=3/4
x=3/4-9/10+3
=27/40-36/40+3
=-9/40+3
=2又31/40

回答2:

9/10-3+x=3/4
解:x=3/4-9/10+3
=27/40-36/40+3
=-9/40+3
=2又31/40

回答3:

9/10-3+x=3/4
解方程:x=3/4+3-9/10
x=15/20+60/20-18/20
x=75/20-18/20
x=57/20