文档介绍：一、口算
-= += += += += -= +=
-= -= += += -= 1-= 1-=
5-0,42= += += += += += ×=
×10= ×50= ×100= ×1000= ×10= ×100= ×1000=
×10= ×100= ×1000= ×10= ×1000= ÷10= ×100=
×100= ×10= ÷10= ×100= ÷1000= ÷1000= ×=
4×3= 4×= ×= 13×3= ×2= ×= 36×24=
×= 36×= ×24= ×= ×= ×= ×5=
×= ×7= ×= ×= ×= ×= 7×2=
×2= ×= 3×6= ×6= ×= 15×2= ×2=
×= ×4= ×4= 20×= ÷= ×5= 10-=
÷3= ÷4= 6÷5=
二、竖式计算
-= 38-= += -= 10-= += -=
+= += -= 10-= += -2= 8-=
+= -= 85-= ×= ×= ×= ×=
×= ×= ×= ×= ×= ×= ×=
×= 654×= ×= ×= ×= ×= ×60=
×50= ×= ×60= ×4= ×= ×= ×= ×=
×= ×= ×= ×= ×= ×= ×=
48×= ×= ×8= 12×= ÷6= ÷7= ÷5= ÷=
÷15= 26÷4= 12÷16= 32÷5= 54÷36= 4÷25= ÷95= 435÷12=
35÷56= 134÷4= 610÷16= 182÷52= ÷6=