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①9.13+ +0.2-5.13
②0.47×38+47×0.62
③ × + ÷7
④3.6- ÷ -
⑤36×( + - )
⑥ ÷[( - )× ]
4.2-2.4= 6.3÷9= - = 1.25-0.5×0.5=
÷40%= × = ÷ = × ÷ × =
+ = 1- = × = 75× =
÷ = 28.5÷1.5= 35÷ = ÷10=
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