1/4()1/4()1/4()1/4=1/81/4()1/4()1/4()1/4()1/4=1/8括号内填符号,加,减,乘除

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1/4()1/4()1/4()1/4=1/81/4()1/4()1/4()1/4()1/4=1/8括号内填符号,加,减,乘除

1/4()1/4()1/4()1/4=1/81/4()1/4()1/4()1/4()1/4=1/8括号内填符号,加,减,乘除
1/4()1/4()1/4()1/4=1/8
1/4()1/4()1/4()1/4()1/4=1/8
括号内填符号,加,减,乘除

1/4()1/4()1/4()1/4=1/81/4()1/4()1/4()1/4()1/4=1/8括号内填符号,加,减,乘除
批改过的正确答案
1/4 × 1/4＋1/4×1/4＝1/8
（1/4＋1/4）×1/4×1/4÷1/4=1/8