问题
解答题
计算: (1)-32-(-3)2+(-5)3×(-
(2)(-47.65)×2
|
答案
(1)原式=-9-9+(-125)×(-
)-0.09÷0.94 5
=-9-9+100-0.1
=81.9;
(2)原式=(-47.65)×2
+(-37.15)×(-26 11
)+10.5×(-10+26 11
)6 11
=(-47.65+37.15+10.5)×2
+10.5×(-10)6 11
=0-105
=-105.