Question

pentru a realiza o diograma Clara a adus 7 melcisori si doua cutii cu cate 4 scoici, iar Andreea a adus 3 cutii cu cate 5 melcisori si doua cutii cu cate 3 scoici. Afla cate cochilii au fost folosite in total, calculand in doua moduri.

Answer 1

aflam cati melcisori a avut fetele
7+(3x50=22

aflam cate scoici au avut fetele :
(2x4)+(2x3)=8+6=14

aflam cate cochilii au avut ?
22+14=36 
R:36 cochilii

2)
Aflam cate cochilii are Clara
7+(2x4)=7+8=15
Aflam cate cochilii are Andreea :
(3x5)+(2x3)=15+6=21
aflam cate cochilii au in total :
15+21=36
r:36 cochilii

Answer 2

| 7+2×4=7+8=15 a adus clara
3×5+2×3==15+6=21 a adus andreea
15+21=36au impreuna
|| 7+3×5=22melcisori
4×2+2×3=14scoici
14+22=36 cochilii