Question

aflați termenul necunoscut b + 19 = 42 27 + c = 50 d + 55 = 70 36 + e = 67 fă + 17 = 53 47 + g = 48 h + 35 = 86 i + 22 = 39 j + 21 = 58 m + 10 = 39 27 + n = 57 p + 52 = 54 r + 29 = 52 12 + s = 90 t + 24 = 67 x + 16 = 51 58 + y = 59 66 + a = 78 90 + b = 92 c + 21 = 63 11 + d = 44 e + 30 = 55 f + 73 = 80​

Answer 1

b+19=42

b=42-19

b=23

v: 23+19=42

27+c=50

c=50-27

c=23

v:27+23=50

d+55=70

d=70-55

d=15

v:15+55=70

36+e=67

e=67-36

e=31

v:36+31=67

f+17=53

f=53-17

f=36

v:36+17=53

47+g=48

g=48-47

g=1

v:47+1=48

h+35=86

h=86-35

h=51

v:51+35=86

i+22=39

i=39-22

i=17

v;17+22=39

j+21=58

j=58-21

j=37

v:37+21=58

m+10=39

m=39-10

m=29

v:29+10=39

27+n=57

n=57-27

n=30

v:27+30=57

p+52=54

p=54-52

p=2

v:2+52=54

r+29=52

r=52-29

r=23

v:23+29=52

12+s=90

s=90-12

s= 78

v:12+78=90

t+24=67

t=67-24

t=43

v:43+24=67

x+16=51

x=51-16

x=35

v:35+16=51

58+y=59

y=59-58

y=1

v:58+1=59

66+a=78

a=78-66

a=12

v:66+12=78

90+b=92

b=92-90

b=2

v:90+2=92

c+21=63

c=63-21

c= 42

v:42+21=63

11+d=44

d=44-11

d=33

v:11+33=44

e+30=55

e=55-30

e=25

v:25+30=55

f+73=80

f=80-73

f=7

v:7+73=80

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