Question

这个题怎么用简便计算？

36×78一36×25一36×32一36×1

Answer 1

36*（78-25-32-1）=36*20=720

Answer 2

36×78－36×25－36×32－36×1

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=36×(78－25－32－1)

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=36×20

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=720

Answer 3

36×78－36×25－36×32－36×1的简便算法是:
=36×(78－25－32－1)
=36×20
=720