□○□=□(个)
1○2 3○0 6○6 7○10
9=□ 8>□ 6<□ 4>□
101 <9 9<
135+398= 0.14×50= 3﹣2÷7=
48×12.5%= 1.25×9×8= ﹣ =
7× ÷7× = ÷ =