s - 7 = 10
s = ....., sest ..... - 7 =
10
s - 6 = 14
s = ....., sest ..................
s - 8 = 16
s = ....., sest ..................
s - 7 = 24
s = ....., sest .................... |
x - 300 = 400
x =
......., sest ...........................
x - 600 = 300
x =
......, sest ............................
x - 4 = 45
x = ...... , sest ...............................
x - 6 = 60
x = ......., sest............................... |