急 (27 21:11:21)-|-11/3 |×|-0.25|-(-7) 

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急 (27 21:11:21)-|-11/3 |×|-0.25|-(-7) 
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急 (27 21:11:21)-|-11/3 |×|-0.25|-(-7) 
急 (27 21:11:21)
-|-11/3 |×|-0.25|-(-7)
 

急 (27 21:11:21)-|-11/3 |×|-0.25|-(-7) 
|-11/3|就等于11/3,因为前面有个负号,所以还是-11/3.
|-0.25|就是0.25,即1/4.
-(-7)就是+7
所以等式就是(-11/3)+1/4+7=96/12
祝你学业进步.

-|-11/3 |×|-0.25|-(-7)
=(-11/3)×0.25+7
=-11/12+7
=6又1/12

-|-11/3|×|-0.25|-(-7)
=-11/3×(-0.25)+7
=6又1/12