SAO KO AI GIẤP MÌNH THẾ LÀM ƠN GIÚP MÌNH VỚI
*\(26,72+\frac{3}{100}+\frac{21}{40}\)=\(26,72+0,03+\frac{21}{40}=\frac{1091}{40}=27,275\)
*\(\frac{1}{4}+\frac{17}{50}+\frac{31}{100}\)=\(\frac{25}{100}+\frac{34}{100}+\frac{31}{100}=\frac{90}{100}=0,9\)
*\(\frac{3}{4}+\frac{15}{40}+\frac{69}{300}=0,75+0,375+0,23\)=\(1,355\)
*\(\frac{42}{700}+\frac{45}{120}+\frac{17}{80}=\)\(0,06+0,375+0,2125=0,6475\)