3602÷23≈
4756÷78≈
462÷42=
726÷11= 527÷17=
①72+149+28
②73×14-14×23
③329-186-14
④99×34+34
⑤630÷45
⑥4×36×25
①450÷60
②360×80
③268×37
④944÷59
⑤805÷23
⑥4638÷45
①546÷78=
②966÷54=
③※2100÷53=
④320÷14=
⑤981÷36=
⑥※7600÷30=
600÷20= 660÷11= 540÷27 400÷80=
160÷40= 810÷90= 420÷60= 360÷40=