Question

Afla numarul necunoscut-a:3=15 rest 2;
B:7=9 rest 5
C*12=60
5*d=95
E:21=3 rest 4
(F-2):13=4




Va rog ajutatima repede!

Answer 1

A:3=15r2
A=15×3+2
A=45+2=47

B:7=9r5
B=9×7+5=63+5=68

C×12=60
C=60:12=5

5×b=95
D=95:5=19
E:21=3r4
E=21×3+4=63+4=67

(F_2):13=4
(F-2)=13×4=52
(F-2)=52
F=52+2=54