V = 50 * 0,24 *50 *50*0,24 /0,3 = 24000 куб. см =24 куб .дм
-(y-16)+4 (2y-3)= -y+16+8y-12=7y+4
№ 3
х - 1/3х = 210
3/3х - 1/3х = 210
2/3х = 210
х = 210 : 2/3
х = 315
№ 6
22 человека
№ 7
3х - 2 |у - 1| = 3 * (-1) - 2 * |- 4 - 1| = - 3 - 2 * 5 = - 3 - 10 = - 13
1230 + 570 =1800 изделий за 1 день 36000 / 1800= 20 дней
709.602+290.498=1.000.100
569.487.652+40.513.349=610.001.001
200.010.030-199.879.078=130.952
2.704.608.079-296.392.927=2.408.215.152
8640:8=1080
5250:5=1050
178:2=89
18*32=576
6293:31=203
2932-2782=150
121.350-115.325=6.025
6.025:5=1.205
5100:170=30
110.292:14=7.878
7878:101=78
78*231=18.018
90*3=270
25*25=625
30000000*40=1200000000
98-79=19
121-76=45
654-398=256
126+3395=3521