通用五年级数学上册解方程100题.pdf

五年级数学上册专项训练解方程 100 题学校：班级：姓名：1解方程4x+9=249x-0.36x=163.5x-1.75=3.852（x+1.7）=9.28.5x-2.5x=24.630.5+6x=3.32解方程x-5.4=7.8x0.8=2.53（x-6）=273x64.514.1x+2.2x2.969.82x3.43解方程2（5x）36x12.56126.56.3xx15.90.4x=1925.4x=36.2x+23=41.64解方程7.8x-2.4x=1.08x-63=361.53+6x=333.27x+6.73x=36.36.3x=73.56+3x=22.55解方程2（x-3）=11.64x-31.2=15.6（1.2+x）5=7.58x+5.6=37.6x-0.25x=750.75x-0.5x=16解方程3.4x=178x-0.82=5.6*5x+5.5=7645x=12.8（x3）3.2=44（x+2）=967解方程x-0.36x=168x-4.7x=13.26.5（x+3.8）=34.454x-30.9=2.9（x3）6.583.7 x5 x139.28解方程6（x4）93.61.7x26.848562x98.252x15x13.41.2（x5）6.612.8x-5.7x=56.89解方程8x+18.6=56.24（x-5.3）=38.83.85+1.5x=6.16x-0.9=4.53.6x-x=32.55x7510解方程7x11213x16935x2455.7x19.950.8x100.821x495.611解方程0.3x86.1349x5392.8x53.2x2358x59156x10.636.9812解方程x27.0545.37x102139x9.832.323.5x34.9x33.115.2616.5x75.913解方程x31140676.02x18.8912.31x7.23103.7x26.5953.2x27.981.3x56.3214解方程99x37.1836.2x29.5263.3x1561.35.6x129x100.83x12.619.215解方程6x10.815.42.6322x25194x22.850.62x3.815.87x5092123.7x4916解方程505x59115.5x3x86.7x1.3x26.4x31.520.9x51.21820.2x12.513217解方程x14236.7x32.53.89264x18106.5x586276答案解析部分答案解析部分【答案】4x+9=249解：4x+9-9=249-94x=2404x4=2404x=60 x-0.36x=16解：0.64x=160.64x0.64=160.64x=25【答案】3.5x-1.75=3.85解：3.5x=3.851.753.5x=5.6x=5.63.5x=1.62（x+1.7）=9.2解：x+1.7=9.22x+1.7=4.6x=4.6-1.7x=2.98.5x-2.5x=24.6解：6x=24.6x=24.6 6x=4.130.5+6x=3.3解：1.5+6x=3.36x=3.3-1.56x=1.8x=1.86x=0.3【答案】x-5.4=7.8解：x-5.4+5.4=7.8+5.4x=13.2x0.8=2.5解：x0.80.8=2.50.8x=23（x-6）=27解：x-6=9x-6+6=9+6x=15【答案】解：3x-27+271+273x3283x283解：6.3x2.96.3x6.32.96.3x2963解：69.82x+2x3.4+2x3.4+2x3.469.83.42x266.42x33.2【答案】2（5+x）=36解：2（5+x）2=3625+x=185+x-5=18-5x=13x+12.56=126.5解：x+75=126.5x+75-75=126.5-75x=51.56.3x-x=15.9解：5.3x=15.95.3x5.3=15.95.3x=3【答案】0.4x=192解：0.4x0.4=1920.4x=4805.4x=3解：5.4xx=3x3x=5.43x3=5.43x=1.86.2x+23=41.6解：6.2x+23-23=41.6-236.2x=18.66.2x6.2=18.66.2x=3（4）7.8x-2.4x=1.08解：5.4x=1.085.4x5.4=1.085.4x=0.2【答案】x-63=36解：x-63+63=36+63x=991.53+6x=33解：4.5+6x=334.5+6x-4.5=33-4.56x=28.56x6=28.56x=4.753.27x+6.73x=36.3解：10 x=36.310 x10=36.310 x=3.63【答案】6.3x=7解：x=6.37x=0.93.56+3x=22.5解：213x=22.53x=22.5-213x=1.5x=1.53x=0.52（x-3）=11.6解：x-3=11.6 2x-3=5.8x=5.83x=8.8【答案】4x-31.2=15.6解：4x-3.6=15.64x-3.6+3.6=15.6+3.64x=19.24x4=19.24x=4.8（1.2+x）5=7.5解：（1.2+x）55=7.551.2+x=1.51.2+x-1.2=1.5-1.2x=0.3【答案】8x+5.6=37.6解：8x+5.6-5.6=37.6-5.68x=328x8=328x=4x-0.25x=75解：0.75x=750.75x0.75=750.75x=100【答案】0.75x-0.5x=1解：0.25x=10.25x0.25=10.25x=43.4x=17解：3.4x3.4=173.4x=58x-0.82=5.6解：8x-1.6=5.68x-1.6+1.6=5.6+1.68x=7.28x8=7.28x=0.9【答案】5x+5.5=7解：5x+5.5-5.5=7-5.55x=1.55x5=1.55x=0.364-5x=12.8解：24-5x=12.824-5x+5x=12.8+5x12.8+5x=2412.8+5x-12.8=24-12.85x=11.25x5=11.25x=2.24（x3）3.2=4解：（x3）3.23.2=43.2x-3=12.8x-3+3=12.8+3x=15.8【答案】4（x+2）=96解：x+2=964x+2=24x=24-2x=22x-0.36x=16解：0.64x=16x=160.64x=25【答案】8x-4.7x=13.2解：3.3x=13.23.3x3.3=13.23.3x=46.5（x+3.8）=34.45解：6.5（x+3.8）6.5=34.456.5x+3.8=5.3x+3.8-3.8=5.3-3.8x=1.54x-30.9=2.9解：4x-2.7=2.94x-2.7+2.7=2.9+2.74x=5.64x4=5.64x=1.4【答案】（x3）6.58解：x-3=86.5x-3=52x=523x=553.7x5x=139.2解：8.7x=139.2x=139.28.7x=166（x4）93.6解：x4=93.66x4=15.6x=15.6-4x=11.6【答案】1.7x26.848解：1.7x26.826.84826.81.7x74.81.7x1.774.81.7x44562x98.2解：562x5698.2562x42.22x242.22x21.152x15x13.4解：67x13.467x6713.467x0.2（4）1.2（x5）6.6解：1.2（x5）1.26.61.2x55.5x555.55x10.5【答案】12.8x-5.7x=56.8解：7.1x=56.8x=56.8 7.1x=88x+18.6=56.2解：8x=56.2-18.68x=37.6x=37.68x=4.74（x-5.3）=38.8解：x-5.3=38.8 4x-5.3=9.7x=9.75.3x=15【答案】3.85+1.5x=6.1解：3.85+1.5x-3.85=6.1-3.851.5x=2.251.5x1.5=2.251.5x=1.56x-0.9=4.5解：6x-0.9+0.9=4.5+0.96x=5.46x6=5.46x=0.93.6x-x=32.5解：2.6x=32.52.6x2.6=32.52.6x=12.55x75解：x755x157x112解：x1127x1613x169解：x16913x1335x245解：x24535x75.7x19.95解：x19.955.7x3.50.8x100.8解：x100.80.8x12621x495.6解：x495.621x23.60.3x86.13解：x86.130.3x287.149x539解：x53949x112.8x53.2解：x53.22.8x19x2358解：x5823x35x59156解：x15659x215x10.636.98解：x36.9810.6x26.38x27.0545.37解：x45.3727.05x72.42x102139解：x139102x37x9.832.3解：x32.39.8x42.123.5x34.9解：x34.923.5x11.4x33.115.26解：x15.2633.1x48.3616.5x75.9解：x75.916.5x59.4x311406解：x406311x71776.02x18.89解：76.0218.89x57.13xx57.1312.31x7.23解：12.317.23x5.08xx5.08103.7x26.59解：103.726.59x77.11xx77.1153.2x27.9解：53.227.9x25.3xx25.381.3x56.32解：81.356.32x24.98xx24.9899x37.18解：9937.18x61.82xx61.8236.2x29.5解：36.229.5x6.7xx6.7263.3x156解：263.3156x107.3xx107.31.35.6x解：x5.61.3x4.3129x100.8解：129100.8x28.2xx28.23x12.619.2解：3x19.212.63x6.6x6.63x2.26x10.815.42.6解：6x1810.86x7.2x7.26x1.2322x2519解：2x7192x1972x12x122x64x22.850.6解：4x50.622.84x27.8x27.84x6.952x3.815.8解：2x15.83.82x19.6x19.62x9.87x5092解：7x92507x42x427x6123.7x49解：3.7x75.338.33.7x37x373.7x10505x591解：455x915x91455x46x465x9.215.5x3x8解：12.5x8x812.5x0.646.7x1.3x26.4解：8x26.4x26.48x3.3x31.520.9解：x4.520.9x20.94.5x25.4x51.218解：x618x186x2420.2x12.5132解：x7.726x267.7x18.3x14236.7解：x2836.7x36.728x8.7x32.53.89解：x32.534.2x34.232.5x66.7264x18106.5解：104x18106.586x106.5x106.586x20.5x586276解：x58376x76583x131。