题目内容
5-3×{-2+4×[-3×(-2)2-(-4)÷(-1)3]-7}
()÷()·(-)
(-5a2b3c2)2÷(-2ab2c)3
17.25-(+6.25)-(-8.5)-(+0.75)-(-22.25)
-32+5×(-2)-8÷(-2)
用计算器计算.
(1-0.232)×7.5+(1+1.33)
-|-3+2|-|-|2+(-)2×(-1)9×(-2)3
(-53)+(+21)-(-79)-(+37).
用计算器计算
2×1.482-2.382