问题
解答题
计算 (1)33+(-10)-(-22) (2)-14-5×(-3×2)2+(-1)2010 (3)(
(4)8×(-
|
答案
(1)33+(-10)-(-22)
=33+(-10)+22
=33+22+(-10)
=55+(-10)
=45
(2)-14-5×(-3×2)2+(-1)2010
=-1-5×(-6)2+1
=-1-5×36+1
=0-180
=-180
(3)(
-1 4
-1 9
)×(-36)÷(-2)1 12
=(
-1 4
-1 9
)×(-36)×(-1 12
)1 2
=(
-1 4
-1 9
)×181 12
=
×18-1 4
×18-1 9
×181 12
=
-2-9 2 3 2
=1
(4)8×(-
)4-1 2
×[2-(-3)2]1 6
=8×
-1 16
×(2-9)1 6
=
-1 2
×(-7)1 6
=
+1 2 7 6
=
+3 6 7 6
=5 3