问题
解答题
①-32-(-17)-|-23| ②4×(-5 )-12÷(-6 ) ③-14-(1+0.5)×
④-4.035×12+7.035×12-36×(
⑤(-1
|
答案
①原式=-32+17-23
=-38;
②原式=-20+2
=-18;
③原式=-1-
×3 2
÷41 3
=1-
×1 2 1 4
=1-1 8
=
;7 8
④原式=12×(-4.035+7.035)-36×
+36×7 9
-36×5 6 7 18
=12×3-28+30-14
=36-28+30-14
=24;
⑤原式=(-
)×(-3 2
)×(-4 3
)×…×(5 4
)×(-2007 2006
)2008 2007
=2008 2
=1004.