1) -14,3*0,6+5,7*(-1,4)=-8,58-7,98=-16,56
2) (3,4-5)(-4,12+4,04)=-1,6*(-0,08)=0,128
3) 5/9(-3 5/6)-(-3 5/7)*3/52=-115/54+3/14=-2 7/54+3/14=
=-2 49/378+81/378=-1 427/378+81/378=-1 346/378=-1 173/189
4) (2 1/3-3 1/4)(2 3/4-9,95)=(2 4/12-3 3/12)(2,75-9,95)=(2 4/12-2 15/12)*(-7,2)=
=-11/12*(-72/10)=66/10=6,6