太阳从东边升起 .
=7÷ = : .
:8==9÷ = (填小数)
可以读作八分之三,也可以读作三比八. .(判断对错)
(1)= ÷ = : (2)请照样子,再写一组等式.= ÷ = : .
0.625= :40== ÷ .