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65×40%= 0.25×0.28= 7.5×25%×8= 23÷0.23=
7.62+3.38= 29- -1= 0.36÷0.1= ÷ =
= 1-0.92= 3 - = 36×25%=
24×0.5= 7.2÷0.08= 36×75%= 4÷9=
÷ = - = + × = + - + =
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