一步式题
两步试题
( )道
口算。35-9= 82-3= 68-8=71-4= 18+3= 45+7= 27+9= 69+5= 69-60=57-30= 53+20= 42+50=
3930+9=3920+19=3989-50=3938+1=39
67 =67 =67 =67 =67
43 = 43 = 43 = 43 = 43
52 =52 =52 =52 =52
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开走5辆
(1) 36 - 30 =
(2)95+5=
(3)56+4=
9元 23元 40元