负5又6分之5减9又3分之2加17又4分之3减3又2分之1

2025-03-26 02:29:13
推荐回答(3个)
回答1:

解:原式=(-5-9+17-3)+(-5/6 -2/3 +3/4 -1/2)【注:把整数与整数相加减,分数与分数相加减】
=(-5/6 -4/6 +3/4 -2/4)
=(-3/2 +1/4)
=(-6/4 +1/4)
=-5/4

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回答2:

解:原式=(-5-9+17-3)+(-5/6
-2/3
+3/4
-1/2)【注:把整数与整数相加减,分数与分数相加减】
=(-5/6
-4/6
+3/4
-2/4)
=(-3/2
+1/4)
=(-6/4
+1/4)
=-5/4
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回答3:

-5又5/6-9又2/3+17又3/4-3又1/2
=17又3/4-(5又5/6+9又2/3+3又1/2)
=71/4-(35/6+29/3+7/2)
=213/12-(70/12+116/12+42/12)
=213/12-228/12
=-15/12
=-5/4