1.(1-3/8)/(1/8+1/10)=25/9
2.270/1.5=180
180/(7+8)=12
甲12*7=84乙12*8=96
3.x/8+21+x/6-6+172=x
x=264
4.130+8x=y
3x=5y/22
y=330共330页
5.1/(1/6+1/8)=24/7
(84/6)*(24/7)=48
6.(50+x)*6=11x x=60
7.x-9/10x=9 ( x=90
8 (1-4/10)/(1/10+1/12)=36/11
1.(1-3/8)/(1/8+1/10)=25/9
2.270/1.5=180
180/(7+8)=12
甲12*7=84乙12*8=96
3.x/8+21+x/6-6+172=x
x=264
4.130+8x=y
3x=5y/22
y=330共330页
5.1/(1/6+1/8)=24/7
(84/6)*(24/7)=48
6.(50+x)*6=11x x=60
7.x-9/10x=9 ( x=90
8 (1-4/10)/(1/10+1/12)=36/11