Alea122008 Alea122008

26-02-2018
Matematică

a fost răspuns

va rog dau coroana imi trebuie va rog!!!

Va Rog Dau Coroana Imi Trebuie Va Rog class=

Răspuns :

26-02-2018

ex 3

a /__/__/__/

b /__/

c /__/__/__/ + 5

Suma 75

75 - 5 = 70

70 : 7 = 10 ( b )

10 × 3 = 30 ( a )

30 + 5 = 35 ( c )

ex 4

a /------------/------------/-------------/
b /------------/
32/4=8
a=24
b=8
24+8=32

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Daria301111 Daria301111

26-02-2018

a=1 nr
b=2 nr
c=3 nr
a+b+c=75
a=3×b
c=5+b
75-5÷5=
70÷5=14(al 2 nr)
14+5=19(al 3 nr)
14×3=42(1 nr)

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