-0,2 • (-4/7) • (-5) • 7 = -2/10 • (-4/7) • (-5) • 7 = -1/5 • (-4/7) • (-5) • 7 = -1/5 • 4/7 • 5 • 7 = -4/7 • 7 = -4
I - I 3-xII=6
I-3+xI=6
Ix-3I=6
1) x>0, x-3=6
x=6+3
x=9
2) x=<0, 3-x=6
-x=6-3
-x=3
x=-3 Ответ: -3 и 9
-28 + 20 / (-4) = -28 - 5 = -33
4.8 * 6.37 + 4.8 * 3.63 = 4.8 * (6.37 + 3.63) = 4.8 * 10 = 48
1) 5555 + (82320 : 84 - 693) *66 = 555 + (980-693)*66=555+18942 = 19497
2) 32087 - 87 * (67 + 62524 / 308) = 32087 - 87 * 270 = 8597
3) 467915 + 137865 / (31353 - 48 * 609) = 467915+ 137865 / 2121 = 467980
4) 51003 - (4968 + 709 * 52) + 203 = 51003 - 41836 + 203 = 9370
5) 612228 + (53007 - 52275 / 615) = 612228 + 52922 = 665150
6) 343 * (324378 / 54 - 4862) + 777 = 343 * 1145 + 777 = 393512
7) 18408 / (268 * 75 - 19746) + 959 = 18408 / 354 + 959 = 1011
8) (86 * 217 + 275116) / 859 + 279569 = 293778 / 859 + 279569 = 279911