①94-59=
②56+38=
③79-38-23=
④34+17+39=
⑤61-25+48=
⑥82-(16+39)=
乘法算式:
乘法口诀:
36+5= 72-7= 78+6= 46+6-30=
82+9= 4×2= 26+40= 47+20-8=
3×2= 93-13= 68+9= 38+4+7 =
36+8= 70+30= 2×2= 67-40+21 =
□○□=□(颗)