Question

a) 1,3+2,5;
b) 128,15+37,85;
c) 4,21+(-196);
d) -0,7+(-0,3)
e) -13,5+(-279,42)
f) -7,6+4;
g) -1,(3) + 0
h) 1,(3) + (6);
i) 2,5+3,(5);
j) 4\3+(-1,(3));
k) -5\6+1\2+(-0,1(6));
l) 0,75+5,15,15+0,25;
m) 1,4+(-3,15)+1,6.
Va rog.. ! Ajutatima !

Answer 1

A.1.3+2.5=3.8,
B.128,15+38,85=+166,00
C.4.21+(-196)=4.21-19.00=-191.79
D.-0.7=9-0.3)=-0.7-0.3=-10
E.-13.5+(-279.42)=-13.5-279.42=-292.92
F.-7.6+4=-3.6
G.-1.(3)+0=-1.(3)
H.1.(3)+(6)=1.33+0.66=1.99
I.2.5+3.(5)=2.5+3.55=6.05
M.1.4+(-3.15)+1.6=1.4-3.15+1.6=-1.75+1.6=-0.15