①:
②0.07:0.9
③14:
④:
⑤3.6:4
⑥105:15
75%x+3.6=8.4
①
②
③
④
①135:90
②0.125:
③16分:时
④:60%
62+48=
8.1÷0.03= +3= ×= ﹣=
×= 134﹣18= ×0÷3= 7.45+8.55=
>>>