Răspuns:
Explicație pas cu pas:
a) (2,4*3,25)+(3,25*1,5)=7,8*4,875=38,025
b) (2,4*1,5)+3,25=3,6+3,25=6,85
c)2,4*3,25*1,5=11,7
d) (2,4*3,25)+(2,4*1,5)=7,8+3,6=11,4
e) (2,4*1,5)+(3,25*1,5)=3,6+4,875=8,475
f) (2,4+1,5)*(3,25+2,4)=3,9*5,65=2,035
1. a) 323,76
b) 446,39
c) 110,6
d) 255,34
e) 66,34
2. a) 1,849
b) 3,9528
c) 29,26
d) 1,0125
e) 5376,42
3. a) 17,5*8=60
b) 17,43*6=104,58
c) 26,15*5=130,75
d) 4,89*7=34,23
e) 6,34*4=25,36
f) 2,57*9=23,13
4.
3*0,75=2,25 lei
4*0,80=3,2 lei
2*1,2=2,4 lei
3*0,05=0,15 lei
10-2,25-3,2-2,4-0,15= 2 lei
5.
