Решите плиииз.дроби (2.2/7+1.1/7)×1.1/6 б)(1.2/3+2.4/9)÷(4.26/27-2.2/9)
(2.2/7+1.1/7)×1.1/6 = 3.3/7 * 1.1/6 = 19.8/7.7 б)(1.2/3+2.4/9)÷(4.26/27-2.2/9) = 6/9 : 10.86/27= 18/10.86