四年级下数学计算题复习题库(3页).doc

《四年级下数学计算题复习题库(3页).doc》由会员分享，可在线阅读，更多相关《四年级下数学计算题复习题库(3页).doc（3页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、-四年级下数学计算题复习题库-第 3 页四年级下数学计算题复习605=258=78310=60128=156=24040=13721=35070=955=6575=6969= 8888=9415 176（7638） 18（15982）3199232 900254 125（506） 07= 2.60.4= 150.01= 21.221= 18a2a=0.720.8= 0.40.4= 0.120.04= 0.8100= 2.540= 3.640.48= 5037.5= 11.61.4= 4889= 36030= 5995=4006= 11800= 2.50.9= 5285347= 0.390.61

2、= 41.541.5=41.215.6 = 21.56+6.74= 6.7253.375 10312 14.85-（4.85+2.5）159915 9.141.434.57 200012581.06+9.4= 20.2= 9.93+0.1= 4.044= 10-2.3= 5.24= 0.245= 2.50.4=3.67+20.438= 100.7-9.603= 0.3253.6= 14.392.4 (得数保留两位小数)990.625+0.625 (53.76-17.49)1.8 (0.87+4.561.9)12.5 15.73(2.17+0.73)-1.832.5X-1.4=5.6 7.8X-

3、4.8X=124.62.4= 7.55= 0.60.2= 2.50.4= 40.2= 4.20.1= 9.21.2= 0.80.4= 0.728= 0.30.3= 0.120.4= 0.4100= 42.885.42= 1500.28= 4.20.25=3.60.25= 14.211= 12.482.4= 7.21.86.80.5 3.76.30.60.4 3.5(0.450.38)0.1 5.67.24.47.21-0.25= 3.4+1.6= 3.3-0.8= 5.7+8.4= 150.2= 0.80.3= 0.254= 2.40.2= 21.72.86 16.059.7 1.40.58 0.6526 3.781.461.54 17.55.151.85 4.19.9 0.4( 2.50.25 )0.150.5= 0.20.1= 1.86= 10.23= 2.54=200.5= 0.393= 1.055= 2.163.84= 4.81.6=12.712.50.5= 2.54.60.4= 5.4995.4= 68.8+1.26.5= 55.4（3.946.86）= 7.45.6（5.40.9）=4X7=21 4.5X5.4=14.45.8X3.5X7=14.39 13.52X=1.5