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exercitiile insemnate va rog mult​

Exercitiile Insemnate Va Rog Mult class=

Răspuns :

Răspuns:

Ex. 1

a) x+37=75

x=75-37

x=38

38+37=75

b)4.275+x=11.111

x=11.111-4.275

x=6.836

4.275+6.836=11.111

c) x-47=93

x=47+93

x=140

140-47=93

d)457-x=237

x=457-237

x=220

457-220=237