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