水果种类
数量(个)
8÷2= 38+50= 36-20= 88-40-30=
42-20= 5×6= 20÷5= 5×4-16=
32+50= 98-20= 5×3= 5×5+20=
39+5= 8+28= 90+6= 6×2+8=
①除数错误 ②商错误 ③商的位置错误
6 × 9 =( )× 6 +( )×6
( )×( )=( )
( )÷( )=( )