800÷5600÷5 360÷6540÷9
980÷7450÷3 840÷4570÷3
420÷6560÷7 210÷7120÷3
①840÷4=
②390÷6=
③452÷9=

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①560÷5= ②642÷6=
③976÷8= ④☆406÷2=
⑤327÷3= ⑥☆625÷7=


+
=
-
= 420÷4= 29×62≈
1-
=
-
= 89×40≈ 38×62≈
450÷5= 13×20= 800÷2=
50×60= 84÷4= 17×400=
3.9-2.5= 6.7+3.3=
①327÷3=
②504÷3=
③※380÷2=
④840÷8=
⑤99÷6=
⑥※854÷4=