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45÷ = ×16= × = 0÷ = ×6÷ =
÷ = 5÷ = ×75%= × = + × =
- = 3.14×0.12= 2-0.08= 2.5×40%= 50×20%
3.75+ = 72× = 24÷ = ÷ = 10÷10%=
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