Câu hỏi của Võ Phương Dy

Question

a. 2,15-x=3,05b. 0,12-(2x-5)=1,88c. 1,74-3,5:x=1,24

Sun Trần · Accepted Answer

`2,15-x=3,05``x=2,15-3,05``x=-0,9`Vậy `x=-0,9`__________________`0,12-(2x-5)=1,88``2x-5=0,12-1,88``2x-5=-1,76``2x=-1,76+5``2x=3,24``x=3,24:2``x=1,62`Vậy `x=1,62`__________________`1,74-3,5:x=1,24``3,5:x=1,74-1,24``3,5:x=0,5``x=3,5:0,5``x=7`Vậy `x=7`Câu trả lời: `2,15-x=3,05``x=2,15-3,05``x=-0,9`Vậy `x=-0,9`__________________`0,12-(2x-5)=1,88``2x-5=0,12-1,88``2x-5=-1,76``2x=-1,76+5``2x=3,24``x=3,24:2``x=1,62`Vậy `x=1,62`__________________`1,74-3,5:x=1,24``3,5:x=1,74-1,24``3,5:x=0,5``x=3,5:0,5``x=7`Vậy `x=7`

Lê Minh Bảo Trân · Answer

2,15−x=3,052,15-x=3,05x=2,15−3,05x=2,15-3,05x=−0,9x=-0,9Vậy x=−0,9x=-0,9__________________0,12−(2x−5)=1,880,12-(2x-5)=1,882x−5=0,12−1,882x-5=0,12-1,882x−5=−1,762x-5=-1,762x=−1,76+52x=-1,76+52x=3,242x=3,24x=3,24:2x=3,24:2x=1,62x=1,62Vậy x=1,62x=1,62__________________1,74−3,5:x=1,241,74-3,5:x=1,243,5:x=1,74−1,243,5:x=1,74-1,243,5:x=0,53,5:x=0,5x=3,5:0,5x=3,5:0,5x=7x=7Vậy x=7Câu trả lời: 2,15−x=3,052,15-x=3,05x=2,15−3,05x=2,15-3,05x=−0,9x=-0,9Vậy x=−0,9x=-0,9__________________0,12−(2x−5)=1,880,12-(2x-5)=1,882x−5=0,12−1,882x-5=0,12-1,882x−5=−1,762x-5=-1,762x=−1,76+52x=-1,76+52x=3,242x=3,24x=3,24:2x=3,24:2x=1,62x=1,62Vậy x=1,62x=1,62__________________1,74−3,5:x=1,241,74-3,5:x=1,243,5:x=1,74−1,243,5:x=1,74-1,243,5:x=0,53,5:x=0,5x=3,5:0,5x=3,5:0,5x=7x=7Vậy x=7

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