四年级小数加减法简便计算练习题
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四年级数学简便计算练习卷
下面各题怎样算简便就怎样算。
(1)小数加减法计算
18.51-9.03-0.97 32+6.4十68十3.6 15.5十26.5一20.4
IO.27十0.4-8.27 24.6一3.98十5.4-6.02 64.3一18.75十15.7一11.25 5.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1.64-13.8-5.36 66.86-8.66-1.34 36.8-3.9-6.1 32+4.9-0.9
25.48-(9.4-0.52) 3.9-4.1+6.1-5.9 15.02-6.8-1.02
32+4.9-0.9 146.5-(23+46.5) 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
7.5+4.9-6.5 3.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.55 3.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2 3.2+0.36+4.8+1.64