解下列方程 x+3/7=3/4 x-5/12=3/8 x-5/6=1x+3/7=3/4x-5/12=3/8x-5/6=1

解下列方程 x+3/7=3/4 x-5/12=3/8 x-5/6=1x+3/7=3/4x-5/12=3/8x-5/6=1
解下列方程 x+3/7=3/4 x-5/12=3/8 x-5/6=1
x+3/7=3/4
x-5/12=3/8
x-5/6=1

解下列方程 x+3/7=3/4 x-5/12=3/8 x-5/6=1x+3/7=3/4x-5/12=3/8x-5/6=1
x+3/7=3/4
x=3/4-3/7
x=9/28
x-5/12=3/8
x=3/8+5/12
x=19/24
x-5/6=1
x=1+5/6
x=1又5/6

x+3/7=3/4
x=9/28
x-5/12=3/8
x=19/24
x-5/6=1
x=11/6

x+3/7=3/4
x=3/4-3/7
x=9/28
x-5/12=3/8
x=3/8+5/12
x=19/24
x-5/6=1
x=1+5/6
x=11/6

X=3/4-3/7=21/28-12/28=9/28
X=3/8+5/12=9/24+10/24=19/24
X=1+5/6=11/6

X=3/4-3/7 X=3*7/28-3*4/28 X=9/28
X=3/8+5/12 X=3*6/8*6+5*4/12*4 X=18/48+20/48 X=38/48=19/24
X=1+5/6 X=6/6+5/6 X=11/6