①624÷6=
②✬408÷8=验算:
③✬647÷3=验算:
④23×22=
⑤46×75=
⑥58×37=
46÷654÷6 25×4024×50 0×120÷12
300÷2600÷4 60×26×20 408÷8104×4
380÷5=
120÷2=
180÷6=
245÷5=
360÷3=
137÷7≈
433÷7≈
634÷9≈
14×11=
420÷2=
①36×48=
②★85×32=
③72×60=
④80×76=
⑤56×68=
⑥★57×65=
①824÷8=
②24×77=
③59×43=
④649÷7=
÷3= 1+40%=
:8= 0.62= 0.8×0.25= 10-0.01= ( )×0.4=1