(120+780/130)*84-100 怎样简算?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 20:14:52

(120+780/130)*84-100 怎样简算?
(120+780/130)*84-100 怎样简算?

(120+780/130)*84-100 怎样简算?
(120+780/130)*84-100
=(120+6)*84-100
=(125+1)*84-100
=125x84+84-100
=125x(80+4)-16
=125*80+125*4-16
=10000+500-16
=10484