六年级下册解方程 x-2/7x=3/4 70%x + 20%x = 3.6 25% + 10x =4/5 x - 15%x = 68 x+3/8 x= 5x-35/21 =5/11 6x+5 =13.4 x(6/35) =(26/45) (13/25) 2(x-0.6)=4 (0.5+x)+x=9.82 2(x+x+0.5)=9.8 +x=6x =+5x+x x-0.8x=6 12x-8x=4.8 7.5*2x=15 1.2x=81.6 x+5.6=9.4 52-x =15 91x =1.3 x+8.3=10.7 15x =3 3x-8=16 7(x-2)=2x+3 3x+9=(x-2)= 7x+5.3=7.4 3x5=4.8 30x+25=85 6x-12.83=0.06 3(x+0.5)=21 0.5x+8=43 6x-3x=18 (-x)5=30 (x-)70=4 0.1(x+6)=3.30.4 4(x-5.6)=1.6 7(6.5+x)=87.5 本文来源：https://www.wddqw.com/doc/1240323c021ca300a6c30c22590102020740f297.html