更新时间2018-12-28 05:25:14
60+3*(60+1959-2021)=60+3*(-2)=60+(-6)=54
60+3*(60+1959-2021)=60+3*(60-62)=60+3*(-2)=60-6=54
60+3×(60+1959-2021)
=60+3×(-2)
=54
好像是等于54
60+3×(60+1959-2021)
=60+3×(10+50+1950+9-2000-21)
=60+3×(2000-2000+19-21)
=60-3×2
=60-6
=54
60+3×(60+1959-2021)
=60+3×(2019-2021)
=60+3×(-2)
=60+(-6)
=54
你说呢,按个计算机
60+3×(60+1959-2021)
=60+3×(10+50+1950+9-2021)
=60+3×(-2)
=60-6
=54
60+3×(60+1959-2021)=-126