问题 解答题
计算:
(1)(-50)-(-35).
(2)-10-(-2)×(-4)2
(3)(-
7
3
)÷(-1
1
6
)-
3
4
×(-2
2
3
)

(4)(-3)2÷(-32)+|-
1
3
|×(-9)
答案

(1)(-50)-(-35)

=-50+35

=-15.

(2)-10-(-2)×(-4)2

=-10-(-2)×16

=-10+32

=22.

(3)(-

7
3
)÷(-1
1
6
)-
3
4
×(-2
2
3
)

=(-

7
3
)×(-
6
7
)-
3
4
×(-
8
3

=2+2

=4.

(4)(-3)2÷(-32)+|-

1
3
|×(-9)

=9÷(-9)+

1
3
×(-9)

=-1-3

=-4.

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