异分母分数加减法计算题100道 5 7 + = 2 9 3 5 + = 7 4 2 7 6 + = 3 2 5 + = 7 9 4 4 9 9 9 6 4 + = 9 4 3 1 + = 5 2 2 9 + = 3 5 1 8 + = 9 7 1 6 + = 8 3 4 2 + = 6 2 7 6 + = 5 7 5 5 + = 5 3 9 + = 4 8 7 2 − = 6 9 7 8 − = 2 3 7 4 − = 7 8 5 6 − = 4 6 7 8 − = 4 5 9 6 − = 6 9 1 9 4 4 + = 3 6 6 8 + = 4 3 4 2 + = 5 7 4 2 + = 6 9 9 2 + = 5 6 3 2 + = 7 5 7 9 + = 6 4 8 7 + = 4 3 5 − = 4 8 2 1 − = 2 7 7 1 − = 2 8 6 4 − = 3 5 7 1 − = 7 5 8 7 − = 2 6 6 2 − = 2 9 1 6 9 + = 3 2 4 5 + = 8 2 5 3 + = 2 4 6 1 + = 6 2 9 9 + = 9 3 8 3 + = 7 9 7 8 + = 6 9 9 5 + = 4 3 8 − = 9 8 7 8 − = 6 7 6 7 − = 2 6 9 6 − = 2 8 9 1 − = 3 9 2 4 − = 3 8 5 5 − = 5 7 6 6 + = 6 9 5 + = 7 8 4 + = 5 6 9 + = 7 4 + = 7 4 9 8 − = 6 7 3 1 − = 3 6 2 2 − = 2 5 5 1 − = 2 9 7 4 − = 5 6 9 7 − = 2 9 2 9 4 5 8 7 − = 2 4 9 1 6 4 3 2 7 6 2 9 9 7 + 8 6 + + + + + + 3 3 1 5 3 1 5 2 1 − 1 = 4 2 9 6 3 − = 3 7 4 3 7 7 + + 3 − 7 = 8 4 3 6 1 − = 3 7 1 2 3 2 1 1 4 8 7 + 6 5 6 9 3 9 2 7 7 5 4 2 + + + + + 4 1 − 1 = 4 6 3 7 3 + 2 5 7 5 2 1 4 1 4 6 5 5 4 3 9 4 9 6 9 1 3 3 7 3 3 + + + + + + + + 5 1 − 1 = 2 2 8 5 6 4 2 2 1 5 4 4 3 8 2 2 2 7 7 5 7 5 9 4 9 7 8 2 + 7 6 8 7 + 4 9 8 9 + 7 5 9 4 5 7 4 8 + + + 3 1 6 8 9 1 9 2 4 7 3 7 8 9 7 6 7 9 6 8 9 9 9 1 3 + 1 7 9 3 8 7 + 2 7 5 3 7 + 4 5 9 6 5 2 本文来源：https://www.wddqw.com/doc/d5fa09d4aa956bec0975f46527d3240c8447a1cb.html