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Ionelahutanu87
a fost răspuns

[0,5x1,(3)+0,(3)]x0,7+0,3=

Răspuns :

[5/10×12/9+3/9]×7/10+3/10=
(60/90+3/9)×7/10+3/10=
(6/9+1/3)×7/10+3/10=
(2/3+1/3)×7/10+3/10=
3/3×7/10+3/10=
7/10+3/10=
10/10=1