1. 1.8-2.2= -0.14+0.17= -2.18-1.54= -7.8+5.6= 2. -2/3 - вопрос №118220140172181547856223167916381231949263 от Саня3411 15.11.2021 01:02

Question

Математика: 1. 1.8-2.2= -0.14+0.17= -2.18-1.54= -7.8+5.6= 2. -2/3 + 1/6 = 7/9 - 1/6= -3/8 - 1/2= 3. -(5.4)+(-2.8)+4.6-(+15.2)=

Саня3411 · Answer

(1)1.8-2.2= -0.4-0.14+0.17= 0.03-2.18-1.54= -3.72-7.8+5.6= -2.2(2)-2/3+1/6= -4/6+1/6= -3/6= -1/2= -0.57/9-1/6= 14/18-3/18= 11/18-3/8-1/2= -3/8-4/8= -7/8(3)-(5.4)+(-2.8)+4.6-(+15.2)= -5.4-2.8+4.6-15.2= -18.8...