124×52= 310×43= 108×39= 463×26=
217×16= 420×30= 321×54=
703×23= 308×70= 650×22=
325×48= 240×50= 432×31=
207×80= 304×52= 536×45=
284×36 409×51 267×45
470×80 28×340 408×50
328×24=
240×62=
45×307=
460×80=
706×24=
258×48=
①138×16= ②406×25= ※③35×240=
④328×43= ⑤602×53= ⑥40×176=
①176×47 = ②261×40 = ③504×63 =
④310×45 = ⑤65×390 = ⑥690×77 =