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Calculati
72:3:8+4x16=
42:3x3-32:2=
96:3x5+88:2+
2.aflati nr necunoscut
4xa=68
bx6=78
(5xa)-24+26
ajutati-ma rapid va rog


Răspuns :

72 : 3 : 8 + 4 x 16 =  24 : 8 + 64 = 3 + 64 = 67

42 : 3 x 3 - 32 : 2 = 14 x 3 - 16 = 42 - 16 = 26  

96 : 3 x 5 + 88 : 2 = 32 x 5 + 44 = 110 + 44 = 154

2)

4 x a = 68

a = 68 : 4

a = 17

_______________

b x 6 = 78

b = 78 : 6

b = 13

____________

( 5 x a ) - 24 = 26

5 x a = 26 + 24

5 x a = 50

a = 50 : 5

a = 10

72:3:8+4x16= 67
42:3x3-32:2= 26
96:3x5+88:2= 204