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(9 la puterea 10 - 9 la puterea 9 - 9la puterea 8) : ( 71 x 3 la puterea 10 ).


Răspuns :

9 la puterea 8 x(9 la puterea 2-9 la puterea 1-9 la puterea 0):213 la puterea 10=
9 la puterea 8 x 71:213 la puterea 10=

(9`10-9`9-9`8):(71*3`10)=
9`8(9`2-9`1-1):(71*3`10)=
9`8(81-9-1):(71*3`10)=
9`8*71:71*3`10=
9`8*3`10=27`80