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Efectueaza calculele respectand reguli invatate 45+19•2=....b)24•10-86:2=...c)9+9•(9:9+9:1)=

Răspuns :

a) 45+38=83
 b) 240-43=197
c) 9+9x(1+9)= 9+ 9x10= 9+90=99
a) 45+ 38= 83
b) 240-43=197
c)9+9•(1+9)=
9+9•10=
9+90=99

sper ca te-am ajutat!