分数运算题50道 1/2 + 1/3 = 3/4 - 2/5 = 2/3 × 5/7 = 4/5 ÷ 2/3 = 1/2 + 1/4 + 1/8 = 2/5 + 1/10 = 8/9 - 1/3 × 4/5 = 2/3 ÷ 4/5 = 3/4 + 2/3 = 5/9 - 2/7 = 1/2 × 3/4 = 4/5 ÷ 3/10 = 1/4 + 3/8 + 5/16 = 2/3 - 1/9 = 7/8 ÷ 1/4 = 3/5 + 1/4 = 2/5 - 1/4 = 3/4 ÷ 5/6 = 7/8 × 5/6 = 2/3 ÷ 1/4 = 3/5 - 1/10 = 2/3 + 1/5 = 5/9 ÷ 2/3 = 1/4 + 1/3 = 2/5 ÷ 1/2 = 7/9 × 2/3 = 2/3 - 1/6 = 4/5 + 1/10 = 1/2 ÷ 2/3 = 5/8 × 3/4 = 3/4 - 1/5 = 1/3 + 1/4 = 3/5 ÷ 2/3 = 2/3 + 1/9 = 4/5 - 3/10 = 3/8 × 4/5 = 1/2 ÷ 3/4 = 5/6 - 1/4 = 4/5 × 3/4 = 3/8 ÷ 1/2 = 1/2 + 1/6 = 2/5 3/4 + 1/5 = 5/6 - 2/3 = 6 1/4 + 1/8 = 2/3 × 3/4 = 4/5 3/4 - 1/6 = 2/5 ÷ 1/3 = 5/8 + 2/5 = × 5/6 = ÷ 4/5 = 本文来源：https://www.wddqw.com/doc/4e60babc2bea81c758f5f61fb7360b4c2f3f2a1c.html