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精选文档.
1、直接写出得数。
×= ×= ×= ×=
10×= ×= ×7= ×=
×= ×4= ×= ×=
×= += 100-= ×4=
×= ×5= ×4= ×0=
-= ×1= 0×= ×8=
8÷10 = 10--= += ×4×12=
×= -3x = ×100= 1÷=
÷3= ÷= ÷6=
×10= ×100= ×100= 4÷ =
×100= ×10= ×100= × =
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× = 3×= ×= ×=
×8= 50×= 80× = ×9=
×5 = + = ÷ = ×- =
÷ = × = 12-= ×8÷ =
÷ = ×0+ = += ÷=
+× = -= 27+456+73= ×=
+= ÷= 12÷= ÷=
13÷4= ÷= ×= 7÷=
××= 8-= 16÷= ×=
8×〔+〕= += ÷16= ÷=
÷= ÷= += ×=
×= -= ××= 12×= ×3=
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÷= +×3= ÷2= ÷= ×4=
〔+〕×4= ×=
×= ×= ×= ×= ÷=
×= ÷= ×100=
÷= += ×= ×=
×5= ×4= ÷4= ×4=
2、用竖式计算
÷= ÷= ×13=
×15= ×14= ×36=
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精选文档.
×= ×≈ ×3=
〔保存一位小数〕
×= ×
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