26+43-26+47,怎样简便计算?

2025-04-06 17:34:11
推荐回答(2个)
回答1:

26+43-26+47
=(26-26)+(43+47)
=0+90
=90

回答2:

26+43-26+47
=26-26+43+47
=0+(43+47)
=90