题目内容

计算下列各题:
(1)(-6)-(-10)+(-3)+|-9|
(2)-32×2-3×(-2)2
(3)-2+(-
3
7
)×(-2
2
3
4
7

(4)-14+
1
2
÷(-3)×[1-(-2)2]

(5)-99
71
72
×36
(用简便方法计算)
(1)(-6)-(-10)+(-3)+|-9|,
=-6+10-3+9,
=-9+19,
=10;

(2)-32×2-3×(-2)2
=-9×2-3×4,
=-18-12,
=-30;

(3)-2+(-
3
7
)×(-2
2
3
)÷
4
7

=-2+(-
3
7
)×(-
8
3
)×
7
4

=-2+2,
=0;

(4)-14+
1
2
÷(-3)×[1-(-2)2],
=-1+
1
2
×(-
1
3
)×(1-4),
=-1+
1
2
×(-
1
3
)×(-3),
=-1+
1
2

=-
1
2


(5)-99
71
72
×36,
=(
1
72
-100)×36,
=
1
72
×36-100×36,
=
1
2
-3600,
=-3599
1
2
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