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Afla nr necuniscut:. a+26ori35=2407. b-31ori148=1032. .89 ori105--c=25ori14. d-48ori16=123ori20

Răspuns :

a+26x35=2407
a=a+910=2407
a=2407-910
a=1497
1497+910=2407

b-31x148=1032
b= b-4588=1032
b=4588-1032
b=3556
4588-3566=1032

89x105-c=25x14
89x105-c=350
9345-c=350
9345-350
8995
9345-8995=350

d-48x16=123x20
d-48x16=2460
d-768=2460
d=2460+768
d=3228
3228-768=2460

sper ca te-am ajutat
coroană?