
计算:(1)(?12+23?14)÷|?148|(2)(?5+|?4|)×(?32)?(13?12)÷16
计算:(1)(?12+23?14)÷|?148|(2)(?5+|?4|)×(?32)?(13?12)÷16....
计算:(1)(?12+23?14)÷|?148|(2)(?5+|?4|)×(?32)?(13?12)÷16.
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(1)原式=(-
+
-
)÷
=(-
+
-
)×48=-
×48+
×48-
×48=-24+32-12=-4;
(2)原式=(-5+4)×(-9)-(
-
)×6=(-1)×(-9)-(
×6-
×6)=9-(2-3)=9-(-1)=9+1=10.
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(2)原式=(-5+4)×(-9)-(
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