2012年寒假计算练习题(1).doc

竖式计算题一3.760.25 6.528 1.782527.80.65 3.421.5 1.063.53.082.5 38.60.09 0.851.2 0.670.14竖式计算题二3.5615 0.651.2 0.395.825.30.32 28.5300 7.80.23443.245 59.85194.622.1 8.4420.21竖式计算题三8.70.03 0.2739.1 0.2160.160.4485.6 29.7662 7.047817.7995 2.8490.7716.91.3 109.20.42脱式计算题四要求写脱式和竖式:240.6+0.624 19.442.7-6.49 39.223.72.5 213.60.80.340.50.5+10.75 7.62.50.0121.443.2-1.8 1.23-1.230.764.53.6+6.4 3.250.31.7脱式计算题五要求写脱式和竖式:5.760.22-0.42 3.25-2.64 (7.5+0.8) 3.4 0.98.7+2.8910.82.3-14 0.812.69.50.853.52.5 2-1.965.637.125.80.32 1.69(13.06-12.8)简算题六6310.1 1.25320.250.35102 4.40.250.257.4840 0.249.913.75+6.35 7.8911.3-7.891.35.47.2+2.85.4 (9+12.5) 0.8简算题七50.8101-50.8 9.93.687.21.25 500.130.22.330.50.45 9.78+9.7899100.12.7 7.92.1+7.96.9+7.97.53699+75.360.1 4.89.9+1.20.4脱式计算题八要求写脱式和竖式:50.41.9-1.8 3.760.25+25.8 720.81+10.4 7.062.4-5.75.2-0.183.6 7.2（0.8+2.4）3.70.25+6.34 4.50.84.50.88.750.24+2.76 （22.4-12.8）0.640.5脱式计算题九要求写脱式和竖式:2.1（0.7+0.14） 17.6-7.61.4-5.36 4.90.140.5 (16.2-0.54) 1.8(4.7+2.5) 1.25 40.40.5+6.1629.619.41.4 0.087(2.16-1.87)32.5 (8.2-6.56) 18.56.20.31竖式计算题十7.128.6 0.80.075 0.460.222.043.64 5.080.65 2.865.234.360.25 2.46.05 3.40.015 0.892.25竖式计算题十一3.921.12 30.355 11.72.60.6290.85 9.83.5 6.68839.20.28 7.250.516.20.72 2.10.84竖式计算题十二5.080.65 2.865.23 9.30.75(保两位) (保一位) (保一位)0.892.25 1.3240.44 3.161.26(保两位) (用循环小数表示) (保一位)9.64.2 24.311(保两位) (用循环小数表示)0.680.41 1.241.8(保两位) (用循环小数表示)解方程十三X-0.456=1 X0.32=25 6X+0.9=4.55X+35=650 4X-30.5=10.5 2.5X-7.5=8.53X-45=19 4X-2.44=25.6 2X+32=18.4(X-8) 2.4=12 8(X-7)=24 X+6X=8.4 解方程十四2.4X+X=27.2 9X-4.2X=24 X-0.6X=4.88.6X-4.6X=10.4 7X+0.3X=3.65 16X6=0.4812X-5X=16.8 7(X+0.1)=70 4X+1.2=19.24.6X-3.9X=1.05 2.84+1.8X=9.32 X0.8=9.6脱式计算题十五要求写脱式和竖式:43.75+0.25 5.33.6+6.4 7.341.30.3 10.4+720.81168.9+0.24620 93.25-91.543.17+0.831.6 (4.8+1.5) (4.8-1.5)0.455.2+2.47.6 (63.8-58.5) 2.4脱式计算题十六要求写脱式和竖式:2.640.4 0.6 5.70.19+7.8 2.5(3.25+0.750.25) 42.94-3.50.831.924.2+5.3 4.23(0.30.3)(1.1-0.22) 0.11 3.40.783.98.841.7-0.52 2.6(3.5+2.8)解方程十七6X-0.9=4.5 X1.32=0.66 2.84+1.8X=9.323.6X-3X=5.4 4X+4.55=36.5 3X+20+X=3803X+22.4=10.8 2(X+2X)=72 7X-2.5X=9.451.6(X+5)=9.6 2(30+X)=240 (75+ X) 3=480-15 解方程十八5(X-3.5)=26.5 6(X+2.8)=40.8 9X-0.42.5=9.84(5.6+X)=56 2X+6.5=51.5 4(39-X)=42X+3.4X=28.6 X-0.78X=0.33 5X-3.7=8.5X0.3=0.51 4X-24=50 23X=379.5脱式计算题十九要求写脱式和竖式:(0.78+0.65) 0.13 5.640.4+0.61.8 9.663.220.25 (16.2-0.54) 1.82.60.09-0.09 3.50.53.50.548.7-160.65.84 37.3-1.50.241.920.12-2.7 7.36+1.1040.24简算