Odpowiedź :
a) 23.3-100%
2.33 -10%
20% = 4.66 (kg)
b)122-100%
12.2- 10%
6.1 - 5%
15%= 18.3(zł)
c)114-100%
11.4-10%
1.14-1%
2%=2.28(g)
d)2100 - 100%
210-10%
21-1%
3%= 63(ml)
e)40-100%
4-10%
90%=36
f)500 -100%
50 - 10%
5-1%
99%=500-5= 495
g)240001 - 100%
24000.1- 10%
2400,01-1%
0.5%= 1200,005
h)375-100%
3.75- 1%
0.1= (3.75 : 10) = 0,375
i)800 - 100%
80 - 10%
110% = 800 + 80 = 880
2.33 -10%
20% = 4.66 (kg)
b)122-100%
12.2- 10%
6.1 - 5%
15%= 18.3(zł)
c)114-100%
11.4-10%
1.14-1%
2%=2.28(g)
d)2100 - 100%
210-10%
21-1%
3%= 63(ml)
e)40-100%
4-10%
90%=36
f)500 -100%
50 - 10%
5-1%
99%=500-5= 495
g)240001 - 100%
24000.1- 10%
2400,01-1%
0.5%= 1200,005
h)375-100%
3.75- 1%
0.1= (3.75 : 10) = 0,375
i)800 - 100%
80 - 10%
110% = 800 + 80 = 880
a)20%z 23.3 kg
10% - 2.33 kg
20% - 2* 10%z 23.3 = 2 *2.33=4,66
b)15% ze 122 zł
10% - 12.2 zł
5% - połowa z 10% - 6.1 zł
15% - 18,3 zł
C)2% ze 114 g
114-100%
11.4-10%
1.14-1%
2*1% - 2*1.14 = 2.28
d)3%z 2100 ml
2100 - 100%
210-10%
21-1%
3*1% - 3*21=63ml
e)90% z 40
10% - 4
100%-10% - 40-4=36
f)99% z 500
1%- 5
100%-1%- 500-5= 495
g)0.5% z 240001
240001 - 100%
24000.1- 10%
2400,01-1%
0.5%= 1200,005
h)0.1%z 375
375-100%
3.75- 1%
0.1= (3.75 : 10) = 0,375
i)110% z 800
800 - 100%
80 - 10%
110% = 800 + 80 = 880
10% - 2.33 kg
20% - 2* 10%z 23.3 = 2 *2.33=4,66
b)15% ze 122 zł
10% - 12.2 zł
5% - połowa z 10% - 6.1 zł
15% - 18,3 zł
C)2% ze 114 g
114-100%
11.4-10%
1.14-1%
2*1% - 2*1.14 = 2.28
d)3%z 2100 ml
2100 - 100%
210-10%
21-1%
3*1% - 3*21=63ml
e)90% z 40
10% - 4
100%-10% - 40-4=36
f)99% z 500
1%- 5
100%-1%- 500-5= 495
g)0.5% z 240001
240001 - 100%
24000.1- 10%
2400,01-1%
0.5%= 1200,005
h)0.1%z 375
375-100%
3.75- 1%
0.1= (3.75 : 10) = 0,375
i)110% z 800
800 - 100%
80 - 10%
110% = 800 + 80 = 880