五年级下册数学解方程练习题来全1.X-0.7x=3.65.6x-3x=180.3×=3.63x=180.3x÷0.3=3.6÷0.33x÷3=18÷3X=12X=62.91÷×=1.36.3x-8=1691÷X×X=1.3×X3x-8+8=16+81.3x=913x=241.3x÷1.3=91÷1.33x÷3=24÷3X=70X=83.×+8.3=10.77.1.8x=0.972×+8.3-8.3=10.7-8.31.8x÷1.8=0.972÷1.8×=2.4x=0.544.15x=38.18.9÷X=0.315x÷15=3÷15×=18.9÷0.3×=0.2X=63