Question

calculati urmatoarele opereti urgent varog
. 8 x [ 25 x ( 78-19 x 4)-35] . 10 x [36 x 3 - 5 x ( 72 -12 x 5 )] . . [ 27 x 5 + 4 x( 14 x 7 -34 )] x 10 . [44 x 5 + 9 x (87 - 19 x 3 )] x 10 . 10 x [ 65 x 6 - ( 35 x 4 - 40 ) x 3 ]

Answer 1

8x[25x(78-76)-35]=8x[25x2-35]=8x[50-35]=8x15=120

Answer 2

desfiintezi primadata paranteza rotunda dupa care pe cea patrata o transformi in cea rotunda iar o desfiintezi pe cea rotunda