Question

Lucrari in perechi Efectuati grucand convenabi termenii, după model
540 - 62 - 450 - 33 -
5500-23004500 - 700 32 425 - 250 S
11 208 +2 506 - 292 - 94 56 243 - 57 - 5
23 596 +2395 + 5
3597 +125-275 - AS
32 485 - 250 +515 - 140
56 243 - 57 - 35 - 965​

Answer 1

5500+2300+4500+700=(5500+4500)+(2300+700)=10000+3000=13000

11208+2506+292+94=(11208+292)+(2506+94)=11500+2600=14100

23696+2395+5+4=(23696+4)+(2395+5)=23700+2400=26100