①37+27+16=
②17+19+59=
③76-35-23=
④77-36+4=
⑤46-24+55=
⑥35+18-26=
4×6=
5×7=
9×6=
46-9=
6×7-3=
42+9=
90-15=
7×8=
42-18=
13+5×8=
5×3=
4×9=
8×3=
78-35=
38-8×2=
6×6=
9×7=
35+9=
4×2=
9×5-9=
□○□=□( )
①36×()
②1.3×37.5%+2.7×
③ [()]
④13÷()×