208×99+5616÷27可以巧算吗？

Question

如题所述

Answer 1

原式=（99+1）×208-208+208
=100×208
=20800

Answer 2

208*99+5616÷27
=208*99+208
=208*(99+1)
=20800

Answer 3

208*99+5616/27
=208*(100-1)+(5400+216)/27
=(208*100-208*1)+(5400/27+216/27)
=20800-208+(200+8)
=20800-208+208
=20800-(208-208)
=20800-0
=20800本回答被网友采纳