Toán rút gọn rồi quy đồng A=3469-54/6938-108 B=2469-98/3702-147 23/09/2021 By Alice rút gọn rồi quy đồng A=3469-54/6938-108 B=2469-98/3702-147
`A={3469-54}/{6938-108}=3415/6830=1/2` `B={2469-98}/{3702-147}=2371/3555` `MC: 7110` `A=1/2={1.3555}/{2.3555}=3555/7110` `B=2371/3555={2371.2}/{3555.2}=4742/7110` Trả lời
A=3469-54/6938-108 A=3415/6830 A=3415:3415/6830:3415 A= 1/2 B=2469-89/3702-147 B=2380/3555 B=476/711 A=1.711/2.711 A=711/1422 B=476.2/711.2 B=952/1422 Trả lời
`A={3469-54}/{6938-108}=3415/6830=1/2`
`B={2469-98}/{3702-147}=2371/3555`
`MC: 7110`
`A=1/2={1.3555}/{2.3555}=3555/7110`
`B=2371/3555={2371.2}/{3555.2}=4742/7110`
A=3469-54/6938-108
A=3415/6830
A=3415:3415/6830:3415
A= 1/2
B=2469-89/3702-147
B=2380/3555
B=476/711
A=1.711/2.711
A=711/1422
B=476.2/711.2
B=952/1422