Question

Cum se rezolva toate dau o gramada de puncte si coroana si ma si abonez

Answer 1

SUBIECTUL 1
1. 9+6:3=9+2=11
2. a:10=5 r 4
a=5×10+4
a=50+4
a=54
3. 5c...10 lei
1c...10:5
1c...2 lei
4. 23

SUBIECTUL 2
1. 124×46+124×56-124×2=
124×(46+56-2)
124×(102-2)
124×100=
12400
2. (3 la 5)la 4 : 3 la 18 ×3 la 5 - 3 la 7=
3 la 20:3 la 18 × 3 la 5-3 la 7=
3 la 2×3 la 5-3 la 7=
3 la 7 - 3 la 7 = 0
3. 2s...3p...16 lei |×3
3s...2p...19 lei |×2
6s...9p...48 lei
6s...4p...38 lei
5p...10 lei
1p...10:5
1p...2 lei
2s...2×3...16 lei
2s...6...16 lei
2s...16-6
2s...10 lei
1s....10:2
1s...5 lei
4. (x:4+5)×3-1=20
(x:4+5)×3=20+1
(x:4+5)×3=21
x:4+5=21:3
x:4+5=7
x:4=7-5
x:4=2
x=2×4
x=8
5. A |----|----|----|----| 》100
M |----| 》lei
100:5=20 lei (Mihai)
20×4=80 lei (Alina)
80-20=60 lei (are Alina mai mult decat Mihai)


Succes!!!! Coroana?!?!?!? M-am chinuit destul de mult!!!!