(word完整版)五年級(jí)數(shù)學(xué)簡(jiǎn)便計(jì)算練習(xí)題

1、 簡(jiǎn)便計(jì)算(1)5.327.934.6832.18.31.7(252.50.25)412.58.82.50.390.412.39(5.182.39)1.83.52.51.83.61.23.61.221.3112.5823.80.996.83.62.68641.25320.25 簡(jiǎn)便計(jì)算(2)4.699+4.67.5101-7.51.252.5（804）4.647+4.654-4.67.682.50.45.5990.4572+450.18+4.50.1257212.50.42.584.27.8+2.24.29.51010.873.36+4.640.87 簡(jiǎn)便計(jì)算(3)0.254900.354.0

2、85.289912.54.120.85.710.1490.12580.57.6200.4632.50.341014.86994.91018.75 11-8.759.9 2120.68101 簡(jiǎn)便計(jì)算(4)3.26 5.7-3.260.755.699+55.61.25 2130.86.13.6+3.63.94.7599+4.752.73991010.450.652020.78981.22.5+0.82.50.254.7847.28.4+2.88.44.80.251.51050.32.50.4 簡(jiǎn)便計(jì)算(5)561.25 1.25+4.6+0.75 1.67.51.25490.1258 0.463

3、2.5 0.57.6209.6100.1 4210.2 9.80.5228.499+28.440.812.52.50.125720.942.5-0.92.53.61010.2539+0.25 簡(jiǎn)便計(jì)算(6)3.20.82+3.21.18 1.5899+1.58100.22.5 14.5102 1.253.20.2512.15-3.83+0.85-6.17 2.651.7+1.351.73.550.43.550.4 0.1250.388018.6-18.60.53.583.6+6.43.583.050.254 4.250.44.250.4 解方程（1）x-1.8=420-x=915-x=22.1

4、x=36x-35=13x 7=0.31.6x=6.43x-126=6 (5x-12) 8=24(100-3x) 2=8 6x+3=94x-2=105x-39=5618+5x=2143-x=388x-414=06.3x=77x3=8.19 解方程（2）6.7x-60.3=6.77(x-20)=1404(6x+3)=602x+1.5x=17.53x+6=189x+x=0(3x-4) 5=43x+x+6=262x+234=1348x-3x=1052x-7.5=8.516+8x=404x-39=298(x-6.2)=41.62(x-2.6)=85(x+1.5)=17.513.2x+9x=33.3(x-

5、3) 2=7.5 解方程（3）8x-3x=105 5.4x+x=12.8 x-0.36x=16x+4.8=7.2 x-6.5=3.2x8=0.46x+18=48 3(x+2.1)=10.5 12x-9x=8.73.8+x=6.3x-7.9=2.6 2.5x=14x3=1.2 3.4x-48=26.8 2x-97=34.242x+25x=134 13(x+5)=169 5x+7=42 解方程（4）3.6x-x=3.25 2(x-3)=5.8x4.2=2x1.44=0.4 3.85+1.5x=6.1 6x-0.9=4.57.8x+2.4x=20.4 2(x+1)=6 6(x-1.5)=154x-1

6、23=100 (x-5) 3=7 x-0.28x=3.60.34-2x=0.2 4(x+6)=36 x-0.8x=1.26x-2x=200.5+7x=18 3x-68=0 解方程（5）2.7x-14=21.18x+19=51x-0.38x=1.245x-7.3=7.75x+28=485.3x-2x=1.323.6x+8.5=22.96x-12=304(x+4.5)=207x+4 3.5=24.545-3x=24126x=429x=92754-x=247x=493.5-x=2.51.8 x=219.4-x=7 列方程并求方程的解1.x 的 7 倍比 52 多 25。2.x 的 9 倍減去 5，等于 49。4.x 與 5 的積是 85。3.x 加上 26 等于 54。5.x 與 2.3 的差是 4.7。6.x 除以 12 等于 4。7.0.3 與 14 的積比 x 的 3 倍