计算:(1)(-1117)×15+(+517)×15+(-13713)÷5+(+11313)÷5;(2)-8-[-7+(1-23×0.6)÷(-3)].

计算:(1)(-1117)×15+(+517)×15+(-13713)÷5+(+11313)÷5;(2)-8-[-7+(1-23×0.6)÷(-3)].

题型:解答题难度:一般来源:不详
计算:
(1)(-11
1
7
)×
1
5
+(+5
1
7
)×
1
5
+(-137
1
3
)÷5+(+113
1
3
)÷5;
(2)-8-[-7+(1-
2
3
×0.6)÷(-3)].
答案
(1)(-11
1
7
)×
1
5
+(+5
1
7
)×
1
5
+(-137
1
3
)÷5+(+113
1
3
)÷5
=(-11
1
7
)×
1
5
+(+5
1
7
)×
1
5
+(-137
1
3
)×
1
5
+(+113
1
3
)×
1
5

=
1
5
×[(-11
1
7
)+(+5
1
7
)+(-137
1
3
)+(+113
1
3
)]
=
1
5
×[-6+(-24)]
=
1
5
×(-30)
=-6.
(2)-8-[-7+(1-
2
3
×0.6)÷(-3)]
=-8-[-7+(1-
2
3
×
3
5
)×(-
1
3
)]
=-8-[-7+(1-
2
5
)×(-
1
3
)]
=-8-[-7+
3
5
×(-
1
3
)]
=-8-(-7-
1
5

=-8+7
1
5

=-
4
5
举一反三
计算:
(1)8+(-
1
4
)-5-(-0.25);
(2)-14+50÷22×(-
1
2
).
题型:解答题难度:一般| 查看答案
计算:
(1)-26-(-25);
(2)-6×16+8÷(-16).
题型:解答题难度:一般| 查看答案
计算:
(1)-18÷
1
4
-(-2)×8;
(2)(-24)×(
1
8
-1
2
3
+
1
6
题型:解答题难度:一般| 查看答案
-2-12×(
1
3
-
1
4
+0.5)
题型:解答题难度:一般| 查看答案
计算:
(1)(
1
4
+
1
3
-
1
2
)×12+12÷(
1
2
+
1
4
);
(2)5÷(
1
3
-2
1
2
-2)×6.
题型:解答题难度:一般| 查看答案
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