(6 7/12 - 3 17/36) * 2,5 - 4 1/3 : 0,65 = 1 1/9
1) 6 7/12 - 3 17/36 = 6 21/36 - 3 17/36 = 3 1/9
2) 3 1/9 * 2,5 = 28/9 * 5/2 = 70/9
3) 4 1/3 : 0,65 = 13/3 * 100/65 = 20/3
4) 70/9 - 20/3 = 70/9 - 60/9 = 10/9 = 1 1/9
2/9 и 3/5 — 10/45 и 27/45
11/30 и 7/24 — 88/240 и 70/240
9/34 и 8/51 — 27/102 и 16/102
Решите уравнение m/1,8+2,05=9 n/5 =63-56,08 r/8-6,09 z/19,63+0,37 x/78,09+21,91=0,736 y\98,35-83,17=7
glukhova
M/1.8+2.05=9
m/1.8=9-2.05
m/1.8=6.95
m=6.95*1.8
m=12.51
n/5=63-56.08
n/5=6.92
n=6.92*5
n=34.6
x/78.09+21.91=0.736
x/78.09=0.736-21.91
x/78.09=-21.174
x=-1653.47766
y/98.35-83.17=7
y/98.35=7+83.17
y/98.35=90.17
y=8868.2195
Первое. Остальное лень:864:2=432