题目内容

计算下列各题:
(1)(-15)×(-1
2
3
)

(2)0-1
1
3
×3

(3)(-3
1
3
)×(+
3
5
)

(4)(-18)×(
5
6
)-14×(-1
1
7
)

(5)(
1
2
)×(+1
1
3
)×(-2
1
4
)×(-3
3
5
)
(1)(-15)×(-1
2
3
)
=-15×(-
5
3
)=25;

(2)0-1
1
3
×3
=0-4=-4;

(3)(-3
1
3
)×(+
3
5
)
=-
10
3
×
3
5
=-2;

(4)(-18)×(
5
6
)-14×(-1
1
7
)
=-15-14×(-
8
7
)=1;

(5)(
1
2
)×(+1
1
3
)×(-2
1
4
)×(-3
3
5
)
=
1
2
×
4
3
×(-
9
4
)×(-
18
5
)=
27
5
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