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Cne mă poate ajuta la exercițiul 2 ?

Cne Mă Poate Ajuta La Exercițiul 2 class=

Răspuns :

Răspuns:

22-a=17

a=22-17

a=5

v:22-5=17

27+b=63

b=63-27

b=36

v: 27+36=63

19+c=47

c=47-19

c=28

v: 19+28=47

73-d=26

d=73-26

d=47

v: 73-47=26

e+31=60

e=60-31

e=29

v: 29+31=60

f-74=6

f=6+74

f=80

v: 80-74=6

g-26=33

g=33+26

g=59

v: 59-26=33

h+18=97

h=97-18

h=79

v: 79+18=97

i+(39+19)=61

i+58=61

i=61-58

i=3

v: 3+(39+19)=3+58=61

(91-10)-j=53

81-j=53

j=81-53

j=28

v: (91-10)-28=81-28=53

k-(38-19)=27

k-19=27

k=27+19

k=46

v: 46-(38-19)=46-19=27

(30-8)+r=68

22+r=68

r=68-22

r=46

v: (30-8)+46=22+46=68

Răspuns:

[tex]22-a=17= > a=22-17= > a=5\\\\V:22-5=17\\\\27+b=63= > b=63-27= > b=36\\\\V: 27+36=63\\\\19+c=47= > c=47-19= > c=28\\\\V: 19+28=47\\\\[/tex]

[tex]73-d=26= > d=73-26= > d=47\\\\V: 73-47=26\\\\e+31=60= > e=60-31= > e=29\\\\V: 29+31=60\\\\f-74=6= > f=6+74= > f=80\\\\V: 80-74=6\\\\g-26=33= > g=33+26= > g=59\\\\V: 59-26=33\\\\h+18=97= > h=97-18= > h=79\\\\V: 79+18=97\\ \\i+(39+19)=61= > i+58=61= > i=61-58= > i=3\\\\V: 3+(39+19)=3+58=61\\ \\(91-10)-j=53= > 81-j=53= > j=81-53= > j=28\\\\V: (91-10)-28=81-28=53\\ \\k-(38-19)=27= > k-19=27= > k=27+19= > k=46\\ \\V: 46-(38-19)=46-19=27\\ \\(30-8)+r=68= > 22+r=68= > r=68-22= > r=46\\\\[/tex]

[tex]V: (30-8)+46=22+46=68[/tex]