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a)1÷x=x b)2×X÷8=5
c)72÷x=9
d)x÷5+13=23
(dau coroană)​


Răspuns :

Răspuns:

a) X=1

b) 2xX:8=5

2xX=8x5

2xX=40

x=40:2

x=20

c) 72:x=9

x=72:9

x=8

d)X:5+13=23

X:5=23-13

X:5=10

X=10x5

X=50