问题
解答题
(1)(+16)-(-25)-(+24)+(-32) (2)(
(3)(-
(4)(-5)×6×(-10)×(-8) (5)-33-(-3)3 (6)-|-5|+(-3)3÷(-22) (7)-42+(-4)2-(-1)2÷1
|
答案
(1)原式=16+25-24-32=41-56=-15;
(2)原式=(
-1 6
+1 8
)×(-24)=(-24)×1 12
-(-24)×1 6
+(-24)×1 8
=-4+3-2=-3;1 12
(3)原式=-
×4 7
×14 3
=-4;3 2
(4)原式=-5×6×10×8=-2400;
(5)原式=-27-(-27)=-27+27=0;
(6)原式=-5+(-27)÷(-4)=-5+
=27 4
;7 4
(7)原式=-16+16-1×
×5 8
=-16+16-2 5
=-1 4
.1 4