- 解方程.(1)4x+8=36(2)x÷5.6=3(3)3.6x-x=9.75(4)4(x-3)=23.2.
- 解方程(1)X÷0.05=3.528(2)11.5X+X=20(3)5.5X-1.3X=12.6(4)3×4+4X=28.
- 解方程.6x-7.8=10.925×2.5+5x=36.
- 解方程(1)2.7x-1.8=1.2x+2.7(2)8-5(6x+0.7)=10x+0.5(3)7÷x-0.7=1.3(4)(5.9+x)÷3+16=30.
- 解方程.4.2x-2.7×4=60.8x+x=5.42x-3.4=7.25.3+3x=6.86.3-2x+4.5=7.42.4x+1.6x=2.2.
- x除7.2的商为4,列方程为7.2÷x=4.______.(判断对错)
- 求未知数.X+83.1=100.1X÷1 0.2=0.5X÷0.13=16.9.
- 求未知数X:1.6×X=3.28X÷0.18=8.451.26÷X=28.
- x-1.6=7.63x=12.6x+3.7=7.22.1x+0.72=153x+1.21=3.465.6x+4x=17.28.
- 解方程.X-45X=20X+43X=125X-4=36.
- 解方程.x-3.6=1.44x=15x+0.42=4.2x÷1.4=0.5.
- 解方程5x=1519821x=415x÷45=152823x÷14=12.
- 解方程.22.5×2+5x=1356x-1.5x=3.6+2.7.
- 解方程.(1)(1-25%)x=72(2)x-40%x=5.04(3)x÷(1-40%)=3.6(4)34x-25%x=12.
- 解方程:(1-24)x=1437.5+20%x=69.5x-715x=1425.