2224/35 6/5
(1) 3/7+7÷1/9-2/5
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相关问题
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1/2÷4/5÷(2/9×3/8) (5/6-3/4)÷5/12÷9/5 3/7÷[5/7-(3/7+1/5)] 简便计
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3:()=7:()1/3÷1/4=():()1/7:1/8=7:()5/6÷8/7=9:()
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四个式子:①-3 2 =9,②(-7)÷(-1) 7 =1,③ (- 2 5 ) 2 - 2 2 5 =0 ,④ 8÷9
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(4/3-5/3)÷10/7 (3/2+9/2)÷21/20 1-14/5÷7/5
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8.1÷[(29\7-3.5)÷9\7]
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1÷2/1÷3/2÷4/3÷5/4÷6/5÷7/6÷8/7÷9/8÷10/9简便算法
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六年级分数简便运算,1/2÷4/5÷(2/9×3/8) (5/6-3/4)÷5/12÷9/5 3/7÷[5/7-(3/7
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1+1×2+2×3+3×4+4÷5+5÷6+6÷7+7÷8+8÷9+9÷10+10=?