计算: (- 1 4 - 1 2 + 2 3 )×|-24|- 5 4 ×(-2.5)×(-8

计算: (- 1 4 - 1 2 + 2 3 )×|-24|- 5 4 ×(-2.5)×(-8) .
2025-03-11 06:02:56
推荐回答(1个)
回答1:

(-
1
4
-
1
2
+
2
3
)×|-24|-
5
4
×(-2.5)×(-8),
=(-
1
4
-
1
2
+
2
3
)×24-
5
4
×(-
5
2
)×(-8),
=-
1
4
×24-
1
2
×24+
2
3
×24-
5
4
×
5
2
×8,
=-6-12+16-25,
=-43+16,
=27.