①56×65=
②405×78=
③780×140=
④326÷51=
⑤1650÷59=
⑥5841÷83=
①19×417=
②5100×230=
③703÷19=
④5075÷25=
⑤3708÷52=
①22×34=
②307×54=
③2496÷48=
④☆5870÷29=
①1050×240=
②738÷36=
③260×108=
④2412÷24=