问题
解答题
(1)(-5)-(+7)-(-6)+4 (2)-0.5-(-3
(3)-32-(-2)3×4÷|-
|
答案
(1)原式=-5-7+6+4
=-12+10
=-2;
(2)原式=-0.5+3.25+2.75-7.5
=-8+6
=-2;
(3)原式=-9+8×4×4
=-9+128
=119.
(1)(-5)-(+7)-(-6)+4 (2)-0.5-(-3
(3)-32-(-2)3×4÷|-
|
(1)原式=-5-7+6+4
=-12+10
=-2;
(2)原式=-0.5+3.25+2.75-7.5
=-8+6
=-2;
(3)原式=-9+8×4×4
=-9+128
=119.