44×2=
123×3=
□=
◎=
●=
◆=
48÷4= 26×5= 3×600= 54÷9=
568-360= 75÷5= 102×4= 40+158=
- = + = 298×5≈ 62÷6≈
65×4260 483+175668
245-84221 720×4288
100
3
7
( ) ( )=( )