1) -18,2÷(-82\3) = -91/5 : (-82/5)= 91/5 * 3/82 = 273/410
2) 273/410 + (-81/9) = 273/410 - 81/9 = - 3417/410
1) -18,2÷(-82\3) = -91/5 : (-82/5)= 91/5 * 3/82 = 273/410
2) 273/410 + (-81/9) = 273/410 - 81/9 = - 3417/410