Делаю по формуле, на примере первого: х×1%/100%=3 тогда 3×100%/1%=300
1 стоблик:
3×100%/1%=300
6×100%/6%=100
7×100%/10%=70
21×100%/7%=300
36×100%/20%=180
70×100%/30%=200
80×100%/25%=320
1,2×100%/4%=30
6,5×100%/2%=325
35×100%/14%=250
Второй столбик:
45×100%/18=250
11×100%/55%=20
56×100%/28%=200
76×100%/19%=400
8,1×100%/27%=30
3,6×100%/15%=24
2,4×100%/80%=3
4×100%/16%=25
3,4×100%/17%=20
15×100%/3%=500
3,2×100%/16%=20
11×100%/22%=50
1,8×100%/30%=6
90×100%/45%=200
220×100%/55%=400
7×100%/56%=12,5
66×100%/33%=200
72×100%/12=600
/ Это деление
Делаю по формуле, на примере первого: х×1%/100%=3 тогда 3×100%/1%=300
1 стоблик:
3×100%/1%=300
6×100%/6%=100
7×100%/10%=70
21×100%/7%=300
36×100%/20%=180
70×100%/30%=200
80×100%/25%=320
1,2×100%/4%=30
6,5×100%/2%=325
35×100%/14%=250
Второй столбик:
45×100%/18=250
11×100%/55%=20
56×100%/28%=200
76×100%/19%=400
8,1×100%/27%=30
3,6×100%/15%=24
2,4×100%/80%=3
4×100%/16%=25
3,4×100%/17%=20
15×100%/3%=500
3,2×100%/16%=20
11×100%/22%=50
1,8×100%/30%=6
90×100%/45%=200
220×100%/55%=400
7×100%/56%=12,5
66×100%/33%=200
72×100%/12=600
/ Это деление
Пошаговое объяснение:
а) (19 - 7b) + (9b - 8) при b = 1; 2
Упростим выражение.
(19 - 7b) + (9b - 8) = 19 - 7b + 9b - 8 = 11 + 2b
Найдем значение выражения
при b = 1
11 + 2 * 1 = 11 + 2 = 13
b = 2
11 + 2 * 2 = 11 + 4 = 15
b) (5a - 3) + (8a + 16) при а = 1; 2; 3.
Упростим выражение.
(5a - 3) + (8a + 16) = 5a - 3 + 8a + 16 = 13a + 13
Найдем значение выражения
при а = 1
13 * 1 + 13 = 13 + 13 = 26
при а = 2
13 * 2 + 13 = 26 + 13 = 39
при а = 3
13 * 3 + 13 = 39 + 13 = 52