Question

doar 2 exerciții va rog e urgent! ! dacă vreți ma puteți ajuta și la alea

Answer 1

5................5................315
10...............7.................525

50............50.............3150
50.............35............2625
50-35=15 diferenta
3150-2625=525
525:15=35 un m catifea
35*5=175
315-175=140
140:5=28 un m stofa

5*28..........5*35====315
10*28..........7*35=====525
____________________

6.........9...........615
8..........3..........505

48...........72.........4920
48...........18..........3030
72-18=54
4920-3030=1890
1890:54=35ceapa
35*3=105
505-105=400
400:8=50cartofi

6*5*......9*35=====615
8*5........8*35=====505
___________________


2..........7.........157
3...........4.........99

6.........21........471
6.........8........198
21-8=13
471-198=273
273:13=21 pe jos
21*4=84
99-84=15
15:3=5cu bicicleta

2*5.........7*21=====157
3*5..........4*21=====99
____________________

6.......2.......256
9........5......400

30......10......1280
45......10......800
45-30=15
1280-800=480
480:15=32oi
32*2=64
256-64=192
192:6=32vaci

6*32.........2*32===256
9*32..........5*32===400
____________________