问题
解答题
计算:
(1)-3-(-5)3÷5
(2)-14-(1-0.5)÷3×[3-(-3)2].
答案
(1)原式=-3-(-125)÷5
=-3+25
=22;
(2)原式=-1-
×1 2
×(3-9)1 3
=-1-
×1 2
×(-6)1 3
=-1+1
=0.
计算:
(1)-3-(-5)3÷5
(2)-14-(1-0.5)÷3×[3-(-3)2].
(1)原式=-3-(-125)÷5
=-3+25
=22;
(2)原式=-1-
×1 2
×(3-9)1 3
=-1-
×1 2
×(-6)1 3
=-1+1
=0.