Toán Tính `55/11.16+55/16.21+55/21.26+55/26.31+55/31.36+55/36.41`. 08/07/2021 By Hadley Tính `55/11.16+55/16.21+55/21.26+55/26.31+55/31.36+55/36.41`.
`55/{11.16} + 55/{16.21} + 55/{21.21} + 55/{26.31} + 55/{31.36} + 55/{36.41}` = `11.(1/11 – 1/16 + 1/16 – 1/21 +…..+ 1/36 – 1/41)` = `11.(1/11 – 1/41)` = `11. 30/451` = `30/41` Trả lời
Đáp án + Giải thích các bước giải: `55/11.16+55/16.21+55/21.26+55/26.31+55/31.36+55/36.41` `=11(5/11.16+5/16.21+5/21.26+5/26.31+5/31.36+5/36.41)` `=11(1/11-1/16+1/16-1/21+1/21-1/26+1/26-1/31+1/31-1/36+1/36-1/41)` `=11(1/11-1/41)` `=1-11/41` `=41/41-11/41` `=30/41` Trả lời
`55/{11.16} + 55/{16.21} + 55/{21.21} + 55/{26.31} + 55/{31.36} + 55/{36.41}`
= `11.(1/11 – 1/16 + 1/16 – 1/21 +…..+ 1/36 – 1/41)`
= `11.(1/11 – 1/41)`
= `11. 30/451`
= `30/41`
Đáp án + Giải thích các bước giải:
`55/11.16+55/16.21+55/21.26+55/26.31+55/31.36+55/36.41`
`=11(5/11.16+5/16.21+5/21.26+5/26.31+5/31.36+5/36.41)`
`=11(1/11-1/16+1/16-1/21+1/21-1/26+1/26-1/31+1/31-1/36+1/36-1/41)`
`=11(1/11-1/41)`
`=1-11/41`
`=41/41-11/41`
`=30/41`