Răspuns:
Explicație pas cu pas:
1) a)2,5+3,6+4,8/3=10.9:3=3,6(3)
b)6+8,28+10,1/3=24,38:3=8,12(6)7
2) a)3x=24,9
X=24,9/3=>x= 8,3
B)2x:2=18
2x=18x2
2x=36
X=36/2
X=18
C)4x=16,8
X=16,8/4
X=4,2
D)2×:3=20
2x=20x3
2x=60
X=60/2
X=30
E)5x=51,2
X=51,2/5
X=10,24
