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①★497+286=
②★602﹣439=
③503×4=
④3×720=
⑤845×6=
①372+256=
②435-382=
③579+333=
④726-354=
⑤59×8=
⑥428×9=
300×7= 651×0= + = + =
1500-900= 3700+300= 1- = 1- =
7×9+42= 42+(36-8)= 56+36÷12= 256-26×7=
426×3= 698×8= 6×218= 96×4=
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