Группа «Плюсы» Группа «Минусы» 1) (-4). (-5) – (-30):6 = (T) 1)(-2). (-3) - (-40):8(A) 2) 15:(-15)-(-24):8= (A) 2014: (-14)-(-32):8= (Р) 3)(-18+9):(-3)+3= 3) (-14+6) (-2)+1= (P) (Д) 4) (-2-3). 5 – 30 = (Р) 4)(-4-2).3 – 12 = (Е) 5) 3. (2 - 4) + 5 = (Е) 5)2. (3 – 6) +2= (И) 6) -8. (5 + 4) + 72 = (K) 6)-4. (9 + 3) + 48 = 7)(-3). 2 – 18: (-6) = (M. 7) (-2). 3 - 15:(-5) = (21)

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: