直接写得数(每小题1分,共9分) (1)46+38= (2)4.2÷0.07= (3)0.625×24= (4)8﹣= (5)0.55﹣= (6)1÷= (7)7.2×= (8)×0÷= (9)=
计算: (1)÷; (2)(1+)÷
计算:
计算:(1); (2).
(1)计算: (2)计算: