Question

5. Calculează numărul necunoscut:
a) X: (56 : 7) = 9
b) 81: (18: x) = 9
a: (54 : 6) = 5
63: (27 : x) = 7
C: (42: 7) = 7
35: (x + 1) = 7
X: (72: 8) = 6
72: (a: 3) = 8
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Answer 1

a)72:(56:7=9

b)81: (18:2)=9

c)45:(54:6)=5

d)63:(27:3)=7

e)42:(42:7)=7

f)35:(4+1)=7

g)54:(72:8)=6