①105×4=
②210×3=
③☆423+135=
④600-88=
⑤314×8=
⑥☆610-123=
196+628-574
906-237-480
248+109+347
①560 + 380 =
②614 - 230 =
③*417 + 183 =
④*512 - 316 =
⑤628 + 493 =
⑥720 - 168 =