(60+90)/(6-0.5)=150/5.5=27又3/11分
答:2点27又3/11分, 时针和分针的夹角是90度.
(90+90)/(6-0.5)=32又8/11分
答:3点和3点32又8/11分,时针和分针的夹角是90度.
数学辅导团祝你学习进步,不理解请追问,理解请及时采纳!(*^__^*)
(60+90)/(6-0.5)=150/5.5=27又3/11分
答:2点27又3/11分, 时针和分针的夹角是90度.
(90+90)/(6-0.5)=32又8/11分
答:3点和3点32又8/11分,时针和分针的夹角是90度.
数学辅导团祝你学习进步,不理解请追问,理解请及时采纳!(*^__^*)