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1、四年级数学简便计算练习卷一、口算。3.2+1.8= 0.9+0.6= 0.10.01= 1.20.12 10.385= 3.22.3= 0.760.38 157.352.65 2.1+0.2= 0.3+0.7= 3.6+1.6= 7.5-0.5= 3.7-0.9= 2.13-0.02= 3.51+0.2= 102+0.3= 1.12-1.02= 4.5-0.01= 1.5 0.5 1 0.9 2.3 0.6 0.9 0.8 1.9 0.9= 3.5 2.4= 0.36 0.64 0.96 0.3 0.8 25 0.02500 1.058 04.32 2.8 10 0.041.5 0.570.4
2、3 3.60.4 0.620.29 5.672.8 6.4+0.7= 6.4-0.7= 6.4+0.7-0.6= 6.4-（0.7-0.3）= 1.34+0.7+0.3= 6-0.4-0.6= 6.9 6= 0.9 0.6= 1 0.09= 0.90.1= 2.7 2.2= 0.2 0.8= 0.8 0.8= 5.5 10= 1.3 0= 0.70.9= 0.80.6= 8.243.76= 140.78= 14.60.34= 1.38.56= 0.80.55= 40.04= 10.03= 30.53.05= 0.80.45= 0.782.2= 50.08= 3.250.75= 100.1= 4
3、.13.8= 10.71= 6.22.6= 0.431100= 0.6510100= 4.55.4= 32.620=680 + 230 = 560 80 = 830 - 230 = 1500 300 =15 80 = 0.7 + 0.3 = 8 + 0.42 = 1.2 + 8 = 0.63 + 0.37= 8.1 - 4 = 2 - 1.4 = 4.5 - 4.2 = 0.64 - 0.24= 3.6 + 10 = 3 + 3.7 = 9.2 - 4 =0.3 万+5万= 7亿-0.3 亿= 8.8万+12万= 5.6万+0.21万=精选学习资料 - - - - - - - - - 名师归纳
4、总结 - - - - - - -第 1 页，共 7 页二、用竖式计算小数加减203.65 3.2 1.73 18.7 3.1423.52.8 4.9612.71 2.618.94 7.2936.4176018.714.598.7 2118.456.14+3.83= 7.93-1.64= 5.23-2.36= 3.44+3.36= 7.74-5.85= 9.35-4.74= 38.63-3.48= 1.16+4.77= 8.17-5.26= 2.26-0.86= 4.93+4.75= 76.55+4.68= 31.1+4.5= 31.9+3.4= 3.45+4.6= 4.45+54.5= 3.8
5、3+5.55= 2.75+1.3= 39.4-2.75= 67.3-1.26= 61.9+6.2= 67.1-6.6= 46.8-2.8= 47.6-2.15= 44.4+1.4= 1.7+9.66= 43.3+6.3= 64.4+8.67= 55.5-1.9= 38.9-5.55= 16.33 9.47 9.05 3.305 8.656.31= 107.64= 13.68.46= 0.991.1= 三、用竖式计算小数乘法精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页，共 7 页9.31 4.6 6.83.5 0.420.99 6.05 0
6、.34 30.76.7 0.062.8 2344.6 6.130.4 3202.5 2.080.6 2.81.5 1.52 8.5 4.050.78 2301.76= 7.0240 1.237 2.3 0.6 4.050.8 8.92.31 0.540 6.0850 2.07 40 2.4 3.8 1. 231.6 1.0 52.3 5. 240.32 40. 25.4 14.52.4 7.544 .5 1.424 6. 871.4 7. 854 .3 12.415 50.14 .5 4.8530 7.40.48 1. 465.8 4. 561.4 7. 522.3 40.67.2 1101.
7、8 5. 420.32 456 0.42 7.081.2 7002.5 4.51.4 7. 895.2 4.861.2 8700.16 7511.3 1000.14 1405.2 1.470.99 1200.48 1.567.8 7.041.4 1. 425.24 1.561.2 0.2354 .2 5.021.2 3. 560.14 4. 531.2 1.464.5 4.521.3 4.864 .2 4500.48 7. 850.41 79. 54.6 4. 284 .1 7501.4 6. 321.4 5.554 .4 1.254.8 四、下面各题怎样算简便就怎样算。（1）小数加减法计算2
8、7.3+73.2+72.7 585+189+215 5.851.750.25 768274126 5.85+1.89+2.15 24.8+14.6+15.4 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 3 页，共 7 页42.522.177.83 3.8+1.37+6.2+12.63 17.05(2.056.4) 3.73+5.28+4.27+4.72 2.5 3.25 0.75 7.5 6.9 4.8 3.1 0.4566.22 3.78 15.89(6.75 5.89) 4.025.4 0.98 5.171.8 3.2 13.75(3.75
9、 6.48) 3.687.562.68 7.852.340.854.66 35.61.8 15.6 7.2 3.822.9 0.189.1 9.64.8 3.6 7.140.53 2.47 5.272.860.66 1.73 13.354.68 2.68 73.81.6413.85.36 47.8 7.45+8.8 0.398+0.36+3.64 15.75+3.59 0.59+14.25 66.868.66 1.34 36.83.9 6.1 324.9 0.9 25.48 (9.4 0.52) 3.94.1 6.1 5.9 15.02-6.8-1.02 324.9 0.9 146.5(234
10、6.5) 9.43-（6.28-1.57 ）4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.98 0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.9 6.5 3.070.381.62 1.293.7 2.716.3 82.45 1.55 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 4 页，共 7 页3.251.790.59 1.75 23.40.8 13.4 7.2
11、 3.20.36 4.8 1.64 1.233.4 0.236.6 12.7（3.7 0.84） 36.541.764.54 147.32 2.68 2.648.67 7.36 11.33 45.23+9.9+10.1 56.37-6.24-3.76 45.55（6.8215.55）34.5217.8712.13 23.758.643.3617.839.57.830.5 3.458.716.551.3 8.545.962.04 27.385.342.624.66 21.63 （8.59.63）4.57+3.17+3.43+5.83 12028.4237.58 790001258 4.7814.
12、445.566.22 （2）小数乘法计算0.2516.24 (1.250.125) 8 3.6102 3.723.5 6.283.5 1 4.87.8 780.52 0.8100.1 15.613.115.6 15.6 2.1 7.0910.80.8 7.09 18.769.9 18.76 0.1 56.59.9 56.50.1 515.613.1 515.6 515.62.1 4.87.8 780.52 4.8 100.1 56.59.9 56.5 0.1 4.2994.2 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 5 页，共 7 页0.8
13、9100.1 1.252.5 32 3.6510.1 3.834.563.83 5.44 9.7999.7 3.140.68 31.4 0.032 27.53.7 7.5 3.7 0.65101 3.20.25 12.5 4.3612.58 7.20.2 2.4 1.4 8.91.01 7.74 （2.8 1.3 ）1.5 2.26 3.92.7 3.9 7.3 12.79.9 1.27 21（9.3 3.7 ）5.6 5.411-5.4 2.5 2.4 0.351.25 20.8 32.40.9 0.1 32.4 （2.5 0.25 ） 0.4 9.161.5 0.5 9.16 3.63.6
14、 0.570 28 0.8 （4.3 1.25 ） 3.123.12 99 28.610128.6 0.8615.70.86 14.7 2.4102 2.311.2 0.5 7.6 0.8 0.2 7.6 0.85199 0.258.5 4 1.288.6 0.728.6 12.50.96 0.8 10.60.359.6 0.35 0.25 36 0.250.73 4 0.32403 46572386 0.79199 13.70.25 3.7 0.25 2.229.9+6.66 6.7 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 6 页，共 7
15、 页 2.3 16+2.323+2.3 1010.87-0.91 87 10.716.1-15.1 10.7 3.654.7 36.50.37 2.59.78 0.4 46.81.7 53.2 1.7 0.38101 五、递等式计算（能简算的要简算）3.6 1.28 3.09 4.32 （ 1.262.34）（4.6 3.2 ）11.516.4+1.7-2.31 16.4-（8.2-2.8）45.2-6.14+5.86 56.47+（35.25-28.4）（45.23+9.9）+（10.1+4.77）92.31-9.4+8.31-11.6 0.43 0.8 6.95 9.8 0.67 2.59 6.51(0.83 0.39)512+319+481+488 768-37-73 840214 79932+32 500(40 - 30)5 2.6+7.3+17.4+2.7 16.8-5.4-4.6 6.85+4.26-3.8512.13+7.15-1.13+2.85 6.65-0.82-0.18+2.35 4.02-3.5+0.98 9.8+0.2-9.8+0.2 35.78-(5.78+7.36) 42.68-(5.74-2.32)5.29-(3.8-0.71)-0.2 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 7 页，共 7 页