Question

44 numerele necunoscute. 4:3-15 rest 2 6:7-9 rest 5 cx12=60 5xd=95 e:21=3 rest 4 (f-2):13=4​

Answer 1

Răspuns:

5×5 =25

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Answer 2

Răspuns:

a=4:3-15r2

=4×3-15+2

=5

a=6:7-9r5

=6×7-9+5

=38

c×12=60

c=60:12

c=5

5×d=95

d=95:5

=19

e:21=3r4

e=21×3+4

e=67

(f-2):13=4

f=13×2+4

f=30