五年级分数解方程练习题及答案 +x=9.8÷2 2=9.8 25000+x=6x 3200=440+5X+X X-0.8X=6 12x-8x=4.8 .5+2X=15 1.2x=81.6 x+5.6=9.4 x-0.7x=3.6 91÷x=1.3 X+8.3=10.7 15x=3 x-8=16 x+9=27 18=270 12x=300-4x x+5.3=7.4 3x÷5=4.8 0.5x+8=43 6x-3x=18 7=87.5 1 1.8x=0.972 0-9x=2 x+19.8=25. x÷0.756=90 0.1=3.3×0.4 ÷x=49x-40=5 x÷5+9=21 48-27+5x=31 10.5+x+21=56 x+2x+18=78 ÷5=30 ÷70=4 =102x+3x+10=70 =50-x+5x+15=603.5-5x=2 x÷1.5-1.25=0.75 x-1.3×6=2.6 x+12.8=15.8 150×2+3x=690 x-20= x+6=18 =10.4 ÷2=7.5 13.2x+9x=33. x=x+100 x+4.8=7.2 3=10.5 12x-9x=8.7 13=169 x-97=34.2 3.4x-48=26.8 42x+25x=134 1.5=3.6 2=5.8 65x+7=137 =3=84 5=3x =5x+60 ÷3=2x+1 12÷8x=3 8x-15×6=3x-20 7x-7=6x+x-6x+30=12x+15240÷=30 ÷8=5x-21+4x)×2=10x+14×2=4x+1 (