34+1843 +81 ni hisoblang., 2,5×0,4 nechaga teng?, 𝑥+7=15 tenglamani yeching., 5x=20 bo‘lsa, x ni toping., 2(x+3)=14 tenglamani yeching.x−9=6 tenglamaning yechimi?, 40 ning 25% i nechaga teng?, To‘g‘ri to‘rtburchakning bo‘yi 8 sm, eni 5 sm. Perimetri ne0,75 sonini oddiy kasr ko‘rinishida yozingchaga teng?, Kvadratning tomoni 6 sm bo‘lsa, yuzi nechaga teng?, 2(x+3)=14 tenglamani yeching., 0,75 sonini oddiy kasr ko‘rinishida yozing, 7×(−3) nechaga teng?, Uchburchakning ichki burchaklari yig‘indisi nechaga teng?, 4x=36 bo‘lsa, x ni toping., Aylananing diametri 10 sm bo‘lsa, radiusi nechaga teng?.

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