Question

срочно помогите!! все эти 3 номера!!

Answer 1

1
а
=-0,37+(-0,43)=-0,8
б
=-13,96-(-18,28)=4,22
в
=3$frac{7}{16}$-$frac{5}{12}$+4$frac{9}{16}$=(3$frac{7}{16}$+4$frac{9}{16}$)-$frac{5}{12}$=8-$frac{5}{12}$=7$frac{7}{12}$

2
=n-5.8-4.9-n=-10.7

3
-8.9-(3.7-x)=-13.6
-8.9-3.7+x=-13.6
x=-13.6+8.9+3.7
x=-13.6+12.6
x=-1