6×3= 6×5= 3×6= 6×4= 6×6=
2×4= 4×3= 5×5= 3×5= 4×4=
①
②
③
④
⑤
⑥54+20+16=
⑦46+25+17=
⑧90-58-30=
⑨75-28-19=
⑩72-(6+44)=
加法算式:
乘法算式:或
( )+( )-( )=( )