976-56+26的简便运算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 20:47:09
976-56+26的简便运算
976-56+26
=920+26
=946
976-56+26
=976-(56-26)
=976-30
=946
(920+56)-56+26=920+(56-56)+26=920+26=946
976-56+26的简便运算
976-56+26
=920+26
=946
976-56+26
=976-(56-26)
=976-30
=946
(920+56)-56+26=920+(56-56)+26=920+26=946