Question

VA ROGGGGGG E UN TEST macar 1 si 2 dacă nu toate ​

Answer 1

Ex 1

a) 18/10=9/5

b) 75/100=3/4

c) (26-2)/9=24/9=8/3

d) 3,8(3)=(383-38)/90 =345/90=69/18=23/6

Ex 2

5/8=0,625

29/9=3,(2)

28/15=1,8(6)

Ex 3.

35,29+8,764=le pui una sub alta asa

35,290+

8,764

-----------

44,054

26,610-7,245=19,365

2,34×5,7=13,338

52,63:100=0,5263

3,72:0,6=37,2:6=6,2

Ex 4

Media aritmetica

(47+59+70)/3=176/3=58,(6)

Ex 5

(n+95)/2=87,5

n+95=87,5×2

2+95=175

n=175-95

n=80

Daca copiezi tot corect, vei lua 10.

Succes!