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MGSM / Johnny alichukua marupurupu yake ya 20nakuongeza10 ya ziada. Kisha…

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question

Johnny alichukua marupurupu yake ya 20nakuongeza20 na kuongeza 10 ya ziada. Kisha akawekeza jumla ya pesa hii, ambayo iliongezeka mara tatu baada ya mwaka. Alikuwa na pesa ngapi baada ya mwaka moja?
Plain-text mathematical notation (without MathML)
Johnny alichukua marupurupu yake ya 20nakuongeza10 ya ziada. Kisha akawekeza jumla ya pesa hii, ambayo iliongezeka mara tatu baada ya mwaka. Alikuwa na pesa ngapi baada ya mwaka moja?
Original LaTeX notation
Johnny alichukua marupurupu yake ya $20 na kuongeza $10 ya ziada. Kisha akawekeza jumla ya pesa hii, ambayo iliongezeka mara tatu baada ya mwaka. Alikuwa na pesa ngapi baada ya mwaka moja?

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