怎样简算567+558+562+555+563
问题描述:
怎样简算567+558+562+555+563
答
=(567+563)+(558+562)+555
=1130+1120+555
=2250+555
=2805
答
原式=(567+563)+(558+562)+555
=1130+1120+555
=2250+555
=2805
答
(567+563)+(558+562)+555
答
567+558+562+555+563
=560×5+(7-2+2-5+3)
=2800+5
=2805
答
567+558+562+555+563
=560+7+560-2+560+2+560-5+560+3
=560×5+(7-2+2-5+3)
=2800+5
=2805