-0,75+\(\dfrac{3}{5}\)-12%+1\(\dfrac{1}{4}\)=(-\(\dfrac{3}{4}\)+1\(\dfrac{1}{4}\))+(\(\dfrac{3}{5}\)-\(\dfrac{3}{25}\))
=\(\dfrac{1}{2}\)+\(\dfrac{12}{25}\)=\(\dfrac{49}{50}\)
xin lỗi nhé, chúc bạn học tốt, bạn kiểm tra giúp mk nhé
-0,75+\(\dfrac{3}{5}\)-12%+1\(\dfrac{1}{4}\)=(-\(\dfrac{3}{4}\)+1\(\dfrac{1}{4}\))+(\(\dfrac{3}{5}\)+\(\dfrac{3}{25}\))
=\(\dfrac{1}{2}\)+\(\dfrac{18}{25}\)=\(\dfrac{61}{50}\)
Chúc bạn học tốt nha