Răspuns:
Exercițiul 10.
a.) 45 + 7 X [ 307 - 816 : (9 - 5) ] - 8 X 1 = 45 + 7 X ( 307 - 816 : 4 ) - 8 = = 45 + 7 X ( 307 - 204 ) - 8 = 45 + 7 X 105 - 8 = 45 + 735 - 8 = 780 - 8 = 772
b.) 406 - 4 X [ 3 X ( 30 - 18 : 6 : 3) ] = 406 - 4 X [ 3 X ( 30 - 3 : 3 ) ] = 406 - - 4 X [ 3 X ( 30 - 1 ) ] = 406 - 4 X ( 3 X 29 ) = 406 - 4 X 87 = 406 - 348 = 58
c.) 832 : 8 + [ 40 + 8 X ( 100 : 5 - 72 : 4 ) ] X 10 = 832 : 8 + [ 40 + 8 X ( 20 - 18 ) ] X 10 = 832 : 8 + ( 40 + 8 X 2 ) X 10 = 104 + ( 40 + 16 ) X 10 = 104 + 56 X 10 = 104 + 560 = 664
d.) 25 + 6 X [ 107 - 100 : ( 8 - 3 ) ] - 9 X 1 = 25 + 6 X ( 107 - 100 : 5 ) - 9 = = 25 + 6 X ( 107 - 20 ) - 9 = 25 + 6 X 87 = 25 + 522 = 547
e.) 1 + 3 X [ 7 + 8 X 7 - 3 + 3 X ( 5 + 6 ) ] = 1 + 3 X ( 7 + 56 - 3 + 3 X 11 ) = 1 + 3 X ( 63 - 3 + 33 ) = 1 + 3 X ( 60 + 33 ) = 1 + 3 X 93 = 1 + 279 = 280
f.) [ 55 X 5 - ( 199 - 99 X 2 + 20 X 5 ) + 220 : 10 ] : 4 = [ 275 - ( 199 - 198 + 100 ) + 22 ] : 4 = [ 275 - ( 1 + 100 ) + 22 ] : 4 = ( 275 - 101 + 22 ) : 4 = ( 174 + 22 ) : 4 = 196 : 4 = 49
g.) 5 + [ 7 + 3 X ( 7 - 2 ) ] : 2 - 6 = 5 + ( 7 + 3 X 5 ) : 2 - 6 = 5 + ( 7 + 15 ) : 2 - 6 = 5 + 22 : 2 - 6 = 5 + 11 -6 = 16 - 6 = 10
h.) 9 + 8 X [ 7 + 6 X ( 5 + 4 X 3 ) - 2 X 1 ] - 10 X 10 = 9 + 8 X [ 7 + 6 X ( 5 + 12 ) - 2 ] - 100 = 9 + 8 X ( 7 + 6 X 17 - 2 ) - 100 = 9 + 8 X ( 7 + 102 - 2 ) - 100 = = 9 + 8 X ( 109 - 2 ) - 100 = 9 + 8 x 107 - 100 = 9 + 856 - 100 = 865 - 100 = 765
În concluzie rezultatele sunt : a.) 772, b.) 58, c.) 664, d.) 547, e.) 280, f.) 49, g.) 10, h.) 765.
#RESPECT#
