Question

De la 7 la 10 rpddd e urgent cat de repede

Answer 1

7. 199993, 199994, 199995, 199996, 199997, 199998, 199999, 200000 => 8 numere

8. 90÷ 3= 30 (lei un atlas)

1 atlas..... 30 lei

x atlase.... 190 lei

1/x=30/190

30x=190

X=190/30

X= 6,(3)=> se pot cumpăra 6 atlase

9. a+b=196

b=a+2=>

=> a+a+2=196

2a+2=196

2a=196-2

2a=194

a=194/2

a=97

b=97+2

b=99=> cel mai mare este b, 99

10. 8531