18.1-5.7-4.3+1.9
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18.1-5.7-4.3+1.9
简便运算:18.1-5.7-4.3+1.9
8.6×5.7+4.3×4.3×2
2.9-(1.9+0.8) 4.32+17.61+5.68+2.39 37.4×10.1 5.7+2.9-(1.9+0.8)4.32+17.61+5.68+2.3937.4×10.15.7+4.3-5.7+4.3简便算式
4.3*1.9简算
4.3+5.7*1.8 简便运算
8.6*5.7+4.3*4.3*2的巧算
56.6-4.3+43.4-5.7的简便计算
4.3+52+5.7+48简便计算
简便计算:4.3-2.45+5.7-4.55
5.7×2.9+4.3×2.9简便计算
5.7*4.3*101用简单方法计算?
7.8-(5.7-2.2)-4.3的简便计算
要使4.3×?+5.7×?=6.07,等于几
+6.9-(-2.1)-5.7+(-4.3)运算过程
计算:5.7-(-1.9)-0.6=
5.7-1.9×0.2除7.6简便方法
7.6*201.1+4.3*201.1-1.9*201.1