Question

9乘以6分之5加6分之5除以9分之1怎样简便计算

9乘以6分之5加6分之5除以9分之1怎样简便计算

Answer 1

9乘以6分之5加6分之5除以9分之1
=9x5/6+5/6x9
=（9+9）x5/6
=18x5/6
=15

Answer 2

9×6分之5+6分之5÷9分之1
=9×6分之5+6分之5×9
=（9+9）×6分之5
=18×6分之5
=15

Answer 3

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