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① × ÷
②( ÷ +0.8)×
③ ÷7+ ×
④24×( + +25%)
⑤ +( + )×
⑥ ÷(5- - )
30÷ = × = ÷ = ÷3÷ =
0.75÷ = ÷ ×9= 3.14×62= + ÷ - =
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