小刚买套运动服用去235元，买一双运动鞋用去98元．他付给营业员350元，应找回多少元？．
先看清左右两题之间的关系，再写出得数．========
算一算．×3=×4=×2==÷3=÷4=÷2=÷2=
开火车．
直接写得数===== 9×= 0.8﹣==
× 6×8+÷ 2.4× 1﹣72%
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×3=
×4=
×2=
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÷3=
÷4=
÷2=
÷2=
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= 9×
= 0.8﹣
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=
×
6
×8
+
÷
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