问题
解答题
计算: (1)-2-3-5 (2)(-2)÷
(3)(
(4)-14+8-23÷(-4)×(-7+5) (5)100-(-3)÷(
(6)-11-2×(-33)+(-22) (7)-32÷[-32-(-2)3]. |
答案
(1)-2-3-5
=-(2+3+5)
=-10;
(2)(-2)÷
×(-3)1 3
=-6×(-3)
=18;
(3)(
-2 3
-1 12
)×(-60)4 15
=-
×60+2 3
×60+1 12
×604 15
=-40+5+16
=-19;
(4)-14+8-23÷(-4)×(-7+5)
=-1+8-8÷(-4)×(-2)
=-1+8-4
=3;
(5)100-(-3)÷(
)3 4
=100+4
=104;
(6)-11-2×(-33)+(-22)
=-11-66-22
=-99;
(7)-32÷[-32-(-2)3]
=-32÷[-9+8]
=-32÷[-1]
=32.