a. x + 6734 = 3478 + 5782 b. 2054 + x = 4725 – 279 c. x – 3254 = 237 x 145 d. 124 – x = 44658 : 54 07/10/2021 Bởi Isabelle a. x + 6734 = 3478 + 5782 b. 2054 + x = 4725 – 279 c. x – 3254 = 237 x 145 d. 124 – x = 44658 : 54
\[a. x + 6734 = 3478 + 5782\\\to x+6734=9260\\\to x=9260-6734\\\to x=2526\\\text{Vậy x=2526}\\ b. 2054 + x = 4725 – 279\\\to x+2054=4446\\\to x=4446-2054\\\to x=2302\\\text{Vậy x=2392}\\c. x – 3254 = 237 \times 145\\\to x-3254=34365\\\to x=34365+3254\\\to x=37619\\\text{Vậy x=37619}\\d. 124 – x = 44658 : 54\\\to 124-x=827\\\to x=124-827\\\to x=-703\\\text{Vậy x=-703}\] Bình luận
Đáp án:+Giải thích các bước giải: `a) x + 6734 = 3478 + 5782` `=>x=3478+5782-6734` `=>x=2526` `—` `b) 2054 + x = 4725 – 279` `=>2054+x=4446` `=>x=4446-2054` `=>x=2392` `—` `c) x – 3254 = 237 × 145` `=>x-3254=34365` `=>x=34365+3254` `=>x=37619` `—` `d) 124 – x = 44658 : 54` `=>124-x=827` `=>x=124-827` `=>x=-703` `—` xin hay nhất Bình luận
\[a. x + 6734 = 3478 + 5782\\\to x+6734=9260\\\to x=9260-6734\\\to x=2526\\\text{Vậy x=2526}\\ b. 2054 + x = 4725 – 279\\\to x+2054=4446\\\to x=4446-2054\\\to x=2302\\\text{Vậy x=2392}\\c. x – 3254 = 237 \times 145\\\to x-3254=34365\\\to x=34365+3254\\\to x=37619\\\text{Vậy x=37619}\\d. 124 – x = 44658 : 54\\\to 124-x=827\\\to x=124-827\\\to x=-703\\\text{Vậy x=-703}\]
Đáp án:+Giải thích các bước giải:
`a) x + 6734 = 3478 + 5782`
`=>x=3478+5782-6734`
`=>x=2526`
`—`
`b) 2054 + x = 4725 – 279`
`=>2054+x=4446`
`=>x=4446-2054`
`=>x=2392`
`—`
`c) x – 3254 = 237 × 145`
`=>x-3254=34365`
`=>x=34365+3254`
`=>x=37619`
`—`
`d) 124 – x = 44658 : 54`
`=>124-x=827`
`=>x=124-827`
`=>x=-703`
`—`
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