Question

rog ajutor ! :)
Ex. 3​

Answer 1

Răspuns:

a38,3(7)

b-3,7(3)

c2,5(6)

d4,1(185)

Explicație pas cu pas:

a 1,(2)*3,14=11/9*314/10=3454/90=38,3(7)

b -5,6*0,(6)=-56/10*2/3=-112/30=-3,7(3)

c -1,1*(-2,(3))=11/10*7/3=77/30=2,5(6)

d 3,(2)*(-1,4(3))=29/9*129/90=3741/810=4,1(185)