算一算．
480÷3= 900÷3= 3×500= 180÷3=
70÷5= 950÷5= 360×0= 450÷5=
91÷7= 280÷2= 200×9= 0÷180=
71÷8≈ 321÷4≈ 359÷6≈ 101÷2≈
算一算．
480÷3= 900÷3= 3×500= 180÷3=
70÷5= 950÷5= 360×0= 450÷5=
91÷7= 280÷2= 200×9= 0÷180=
71÷8≈ 321÷4≈ 359÷6≈ 101÷2≈
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