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
6.9+4.8+3.1 4.02+5.4+0.98 3.68+7.56-2.68 3.82+2.9+0.18+9.1 5.27+2.86-0.66+1.63 66.86-8.66-1.34 25.48-(9.4-0.52) 32+4.9-0.9 4.8+8.63+5.2+0.37 2.35+1.713+0.287+7.65 0.134+2.66+0.866 0.456+6.22+3.78 5.17-1.8-3.2 7.85+2.34-0.85+4.66 9.6+4.8-3.6 13.35-4.68+2.65 36.8-3.9-6.1 -4.1+6.1-5.9 146.5-(23+46.5) 5.93+0.19+2.81 1.57+0.245+7.43 1.27+3.9+0.73+16.1 15.+(6.75-5.)
13.75-(3.75+6.48)
35.6-1.8-15.6-7.2
7.14-0.53-2.47
73.8-1.-13.8-5.36
32+4.9-0.9
15.02-6.8-1.02
9.43-(6.28-1.57)
1.76+0.195+3.24
6.02+3.6+1.98
7.5+4.9-6.5
3.9
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.