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folosind asociativitatea si comunicarea adunarii, calculati sumele:
b) S= 200+175+113+37+25+87+163
c) S= 39+3258+91+42+81+68+9+100
Urgent!


Răspuns :

b)200+175+113+37+25+87+163=
=375+113+37+25+87+163=
=488+37+25+87+163=
=525+25+87+163=
=550+87+163=
=637+163=
=800

c)39+3258+91+42+81+68+9+100
3297+91+42+81+68+9+100
3388+42+81+68+9+100
3430+81+68+9+100
3511+68+9+100
3579+9+100
3588+100
3688