列式:
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 =
3×5= 7×8= 4×9= 6×8= 6×9-9=
6×6= 4+2= 8×8= 9×9= 5×7+7=
5×6= 4×5= 6×4= 9×3= 3×5+9=
(个)
(颗)
(厘米)