①387+296=
②☆412+529=
③700-342=
④523+252=
⑤☆702-270=
⑥☆400-196=
⑦15×6=
⑧108×5=
⑨324×9=
23÷5=
53÷6=
17÷3=
②15÷3
③26÷8
④29÷4
⑤55÷9
⑥28÷6