Toán Tinh 6/5*7+22/19*31+140/31*101+198/101*200 17/11/2021 By Madelyn Tinh 6/5*7+22/19*31+140/31*101+198/101*200
Đáp án: `=0,2632961436` Giải thích các bước giải: `6/(5.7)+22/(19.31)+140/(31.101)+198/(101.200)` `=3(2/(5.7))+11/6(12/(19.31))+2(70/(31.101))+2(99/(101.200))` `=3(1/5-1/7)+11/6(1/19-1/31)+2(1/31-1/101)+2(1/101-1/200)` `=3/5-3/7+11/114-11/186+2/31-2/101+2/101-1/100` `=3/5-3/7+11/114-11/186+2/31-1/100` `=0,2632961436` Trả lời
Đáp án:
`=0,2632961436`
Giải thích các bước giải:
`6/(5.7)+22/(19.31)+140/(31.101)+198/(101.200)`
`=3(2/(5.7))+11/6(12/(19.31))+2(70/(31.101))+2(99/(101.200))`
`=3(1/5-1/7)+11/6(1/19-1/31)+2(1/31-1/101)+2(1/101-1/200)`
`=3/5-3/7+11/114-11/186+2/31-2/101+2/101-1/100`
`=3/5-3/7+11/114-11/186+2/31-1/100`
`=0,2632961436`