Question

Folosind asocivitatea si comutativitatea adunarii, calculati sumele:
A) S= 3+12+45+97+17+83+55+88+100
B)S=200+175+113+37+25+87+163
C)S=19+32+58+91+42+81+55+9+100

Answer 1

Răspuns:

A) S=(3+17)+(12+88)+(45+55)+(97+83)+100 =500

B)S=200+(175+25)+(113+37)+(87+163) =

750