五年級數(shù)學(xué)上冊解方程專項(xiàng)訓(xùn)練

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    解方程
    5x+28=48 2×(7x-4x) =18
    24 x -8 x =28.8 6 x-12=30
    1.8÷0.3-0.2 x=2 5.6÷x=2×4
    0.7x+4=25 4.5X+1.6X=42.7
    5x+0.1x=50+6.1 3×9-x=8
    1.2-0.9+5 x=0.8 7.2 x-3.6 x=9×0.4
    4.5÷x -3=1.5 (7-1.4) x =2.8
    20=5 x-3 x 1.8×2-0.3x=2.4
    13.7—x = 5.29 15 x-8 x+30=135
    4.2×3—3x = 5.1 8x+0.4×1.2=1.2
    2 x +5 = 40 6.2 x-x=41.6
    3.2÷x-2.4=0.8 9 x-14×5.5=58
    5 x+1.5 = 4.5 100-9 x-12 x=37
    8.5 x+6.5 x=225 x-0.8 x+0.7 x=8.1
    0.5 x+1.5 x=15.6 4 x-18×2=20