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formula
mastery UK /ˈfɔː.mjʊ.lə/ US /ˈfɔɹ.mjə.lə/noun
card 1 of 10 · fill in the blank
Scientists _____ a new formula to predict how fast the virus would spread.
card 1 of 10 · fill in the blank
Scientists _____ a new formula to predict how fast the virus would spread.