竖式计算:带★验算312÷52=97÷31=★783÷87=★832÷19=
计算.
算一算,填一填.0.9+0.6= 15.4+2.97= 5.94+10.7=10﹣3.14= 10.2﹣8.75= 11.65﹣7.39=
65.4﹣11.06+3.4920﹣﹣÷36×(+﹣)÷[(﹣)÷].
把苹果放在碗里.(连线)