Question

va rog ajutatima
dau coroana​

Answer 1

1. (1+2+3) + 2x7=
6+2x7=
6+14=
20

2x3x4-2x1x5=
6x4-2x1x5=
24-2x1x5=
24-2x5=
24-10=
4

1+4+6x3+10=
1+4+18+10=
5+18+10=
23+10=
33

3x5-2x7+4x2=
15-2x7+4x2=
15-14+4x2=
15-14+8=
9

(2+4x3) - (1+2x5)=
2+12-(1+2x5)=
15-(1+2x5)=
15-(3x5)=
15-15=
0


2. 10x3=30 (mere Ion)
30+10=40 (mere total)


3. 4x2=8
6x3=18
18+8=26
26-10=16