用简便方法计算67×9+32×9+9

2025-04-06 03:28:55
推荐回答(4个)
回答1:

67×9+32×9+9
=67×9+32×9+9x1
=9x(67+32+1)
=9x100
=900

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回答2:

67×9+32×9+9
=67×9+32×9+1×9
=(67+32+1)×9
=100×9
=900

回答3:

(67+32+1)x9

回答4:

67×9+32×9+9
=67×9+32×9+1×9