Начерти прямую длиной 6см 5 мм и поставь точку стороной 3см и 2мм от любой стороны
74830 / 70 + 320 × 60 = 20269
74830/70=1069
320*60=19200
1069+19200=20269
30 = 2 * 3 * 5
70 = 2 * 5 * 7
42 = 2 * 3 * 7
110 = 2 * 5 * 11
16 = 2 * 2 * 2 * 2
48 = 2 * 2 * 2 * 2 * 3
36 = 2 * 2 * 3 * 3
63 = 3 * 3 * 7
15 ------- 12,3
35 ------- х
х = 35*12,3 /15 = 28,7кг
135) ( 0.98-0.312/0.3) *5+1/6
(0.98-1.04)*5 + 1/6
-0.06*5+1/6
-0.3+1/6=- 4/30
137) ( 1.35 / 2.7 - 37 2/3*3)*0.1
(0.5-113)*0.1
-112.5*0.1=11.25
139) ( - 22/45 / 4/5 + 5/72 / (- 5/6))*3.6
-25/36 * 3.6=-2.5
141) (10-6 2/9) / 17/18 +0.1 *2.07
3 7/9 / 17/18 +0.207
4+0.207=4.207
130) (0.4*2.25-2.25)/ 1/2
(0.9-2.25) / 1/2
-1.35/ 1/2=-2.7
136) (2.7/ 1.35- 5 5/7 *14)*0.01
(2-80)*0.01
-72*0.01 = -0.72
138) 0.106/ 1/10 +(13 3/7 - 4 1/2)*0.56
1.06+8 13/14 *0.56
1.06+ 125/14 * 56/100=6.06
140) ( 33/35 / 6/7 +7/36 /(-5/6)0*1.2
13/15*1.2=1.04