tìm a 687 : 15 :a + 364 / a = 17 92 * 4 – 27 = a + 350 / a + 315 24/08/2021 Bởi Ariana tìm a 687 : 15 :a + 364 / a = 17 92 * 4 – 27 = a + 350 / a + 315
Câu 1 sai đề nha bạn 92 × 4 – 27 = a + $\dfrac{350}{a}$ + 315 368 – 27 = a + 350 : a + 315 341 = a + 350 : a + 315 a + 350 : a + 315 = 341 a + 350 : a = 341 – 315 a + 350 : a = 26 a + 350 = 26 × a a × 26 – a = 350 a × ( 26 – 1 ) = 350 a × 25 = 350 a = 350 : 25 a = 14 Bình luận
Câu 1 sai đề nha bạn
92 × 4 – 27 = a + $\dfrac{350}{a}$ + 315
368 – 27 = a + 350 : a + 315
341 = a + 350 : a + 315
a + 350 : a + 315 = 341
a + 350 : a = 341 – 315
a + 350 : a = 26
a + 350 = 26 × a
a × 26 – a = 350
a × ( 26 – 1 ) = 350
a × 25 = 350
a = 350 : 25
a = 14