5÷7分之5-7分之5×5分之1 简便计算 - 知识问答

5÷7分之5-7分之5×5分之1 简便计算

2个回答

5÷5/7-5/7×1/5
=5×7/5-5/7×1/5
=7-1/7
=6又6/7或
=48/7
9/7÷11/6+2/9×6/11
=7/9×6/11+2/9×6/11
=6/11×（7/9+2/9）
=6/11
5/16+（7/16-1/4）÷1/2
=5/16+（7-4）/16×2/1
=5/16+6/16
=11/16

相关问题