Câu hỏi của Tuấn Lý Văn

Question

Bài 3 làm kiểu gì vậy mik đang gấp

⭐Hannie⭐ · Accepted Answer

`25/50=(25:25)/(50:25)=1/2``15/120=(15:15)/(120:15)=1/8``64/720=(64:16)/(720:16)=4/45``5/25=(5:5)/(25:5)=1/2``6/9=(6:3)/(9:3)=2/3``48/96=(48:48)/(96:48)=1/2``42/98=(42:14)/(98:14)= 3/7``18/30=(18:6)/(30:6)=3/5``80/240=(80:80)/(240:80)=1/3`Câu trả lời: `25/50=(25:25)/(50:25)=1/2``15/120=(15:15)/(120:15)=1/8``64/720=(64:16)/(720:16)=4/45``5/25=(5:5)/(25:5)=1/2``6/9=(6:3)/(9:3)=2/3``48/96=(48:48)/(96:48)=1/2``42/98=(42:14)/(98:14)= 3/7``18/30=(18:6)/(30:6)=3/5``80/240=(80:80)/(240:80)=1/3`

Sahara · Answer

Bài 3:$\dfrac{25}{50}=\dfrac{25:25}{50:25}=\dfrac{1}{2}$$\dfrac{15}{120}=\dfrac{15:15}{120:15}=\dfrac{1}{8}$$\dfrac{64}{720}=\dfrac{64:16}{720:16}=\dfrac{4}{45}$$\dfrac{5}{25}=\dfrac{5:5}{25:5}=\dfrac{1}{5}$$\dfrac{6}{9}=\dfrac{6:3}{9:3}=\dfrac{2}{3}$$\dfrac{48}{96}=\dfrac{48:48}{96:96}=\dfrac{1}{2}$$\dfrac{42}{98}=\dfrac{42:14}{98:14}=\dfrac{3}{7}$$\dfrac{18}{30}=\dfrac{18:6}{30:6}=\dfrac{3}{5}$$\dfrac{80}{240}=\dfrac{80:80}{240:80}=\dfrac{1}{3}$Câu trả lời: Bài 3:$\dfrac{25}{50}=\dfrac{25:25}{50:25}=\dfrac{1}{2}$$\dfrac{15}{120}=\dfrac{15:15}{120:15}=\dfrac{1}{8}$$\dfrac{64}{720}=\dfrac{64:16}{720:16}=\dfrac{4}{45}$$\dfrac{5}{25}=\dfrac{5:5}{25:5}=\dfrac{1}{5}$$\dfrac{6}{9}=\dfrac{6:3}{9:3}=\dfrac{2}{3}$$\dfrac{48}{96}=\dfrac{48:48}{96:96}=\dfrac{1}{2}$$\dfrac{42}{98}=\dfrac{42:14}{98:14}=\dfrac{3}{7}$$\dfrac{18}{30}=\dfrac{18:6}{30:6}=\dfrac{3}{5}$$\dfrac{80}{240}=\dfrac{80:80}{240:80}=\dfrac{1}{3}$

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