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Ggpro89
a fost răspuns

Afla numerele necunoscute
352:c=12 rest 4
20:d×35=700
1706+f×13=2031
X:13×9=819
(4b+3):47=19rest6
967:(5a+1)=10rest7


Răspuns :

352:c = 12 rest 4
cx12 + 4 = 352
cx12 = 348
c = 348:12
c = 29

20:dx35 = 700
20:d = 700:35 = 20
d = 20:20
d = 1

1706+fx13 = 2031
fx13 = 2031-1706 = 325
f = 325:13
f = 25

x:13 x 9 = 819
x:13 = 819:9 = 91
x= 91x13
x = 1183

(4b+3):47 = 19 rest 6
4b+3 = 19x47+6
4b+3 = 893+6 = 899
4b = 899-3 = 896
b = 896:4 
b = 224

967:(5a+1) = 10 rest 7
(5a+1) x 10 + 7 = 967
(5a+1) x 10 = 967-7 = 960
5a+1 = 960:10 = 96
5a = 96-1 = 95
a = 95:5
a = 19 

352:c=12 rest 4 ------ (352- 4):12
(352- 4):12=348:12=29

20:d×35=700
20:d=700:35
20:d=20
d=20:20
d=1

1 706+f×13=2 031
Nu stiu


X:13×9=819
X:117=819
X=819×117
X=95 823

(4b+3):47=19 rest 6
Nu stiu

967:(5a+1=10 rest 7
Nu stiu


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