r = 29/4
Объяснение:
2,76r+(3,7−10) = 19+3,7−1,24r
2,76r+3,7−10 = 19+3,7−1,24r
2,76r - 6,3 = 22,7−1,24r
2,76r+1,24r = 22,7 + 6,3
4r = 29
r = 29/4
Объяснение:
2,76r+(3,7−10) = 19+3,7−1,24r
2,76r+3,7−10 = 19+3,7−1,24r
2,76r - 6,3 = 22,7−1,24r
2,76r+1,24r = 22,7 + 6,3
4r = 29
r = 29/4