Question

найди значения выражений 35-(17-9)+(54-6) . (90-52)+14-(15+37) . (497+63)-(304-175) . 912-(246+589)+478 .

Answer 1

35-(17-9)+(54-6) =35-8+48=75
(90-52)+14-(15+37)=38+14-52=0
(497+63)-(304-175)=560-129=431
912-(246+589)+478=912-835+478=555

Answer 2

35-(17-9)+(54-6) = 35-8+48=35+(48-8)=35+40=75
(90-52)+14-(15+37)=38+14-52=52-52=0
(497+63)-(304-175)=560-129=431
912-(246+589)+478 =912-835+478=555