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今晚的数学作业,急急急
2个回答
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13/2×2/3=13/3m
13/2-2/3=35/6m
13/2×(1-2/3)=13/6m
13/2×2/3=13/3m
13/2÷(1+1+2/3)×(1+2/3)=65/16m
(13/2-2/3)÷2+2/3=43/12m或(13/2+2/3)÷2=43/12m
13/2-2/3=35/6m
13/2×(1-2/3)=13/6m
13/2×2/3=13/3m
13/2÷(1+1+2/3)×(1+2/3)=65/16m
(13/2-2/3)÷2+2/3=43/12m或(13/2+2/3)÷2=43/12m
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