A-A+
计算(1)-12×4-(-6)×5;(2)4-(-2)3-32÷(-1)3;(3)-24+3
问题详情
计算
(1)-12×4-(-6)×5;
(2)4-(-2)3-32÷(-1)3;
(3)-24+3×(-1)4-(-2)3;
(4)(-
(5)(-4
(6)
(7)-14-
(8)0.25×(-2)3-[4÷(-
参考答案
(1)原式=-48-(-30)
=-48+30
=-18;
(2)原式=4-(-8)-9÷(-1)
=4+8+9
=21;
(3)原式=-16+3×1-(-8)
=-16+3+8
=-5;
(4)原式=-12×(-24)+23×(-24)-14×(-24)
=12-16+6
=2;
(5)原式=-478-318+512-414
=-8+114
=-634;
(6)原式=32×[3×94-1]
=32×234
=698;
(7)原式=-1-16×[2-9]
=-1-16×[-7]
=-1+76
=16;
(8)原式=0.25×(-8)-[4×94+1]-1
=-2-[9+1]-1
=-2-10-1
=-13.
考点: