b) (-2/3)^2 + 1/6 - (-0,5)^3 = ………………………………………………..
Giải thích
b) − 232+16−(− 0,5)3 = (− 2)232+16−− 123=49+16−(− 1)323=49+16−− 18=49+16+ 18=3272+1272+ 972=5372 .
b) − 232+16−(− 0,5)3 = (− 2)232+16−− 123=49+16−(− 1)323=49+16−− 18=49+16+ 18=3272+1272+ 972=5372 .