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plz ajutatima
faceti ex 4 +5


Plz Ajutatima Faceti Ex 4 5 class=

Răspuns :

4) a. 17×9+15=168
b. 25×13+11=336
c. 18×12+5=221
d. 37×8+9=305
e. 13×4+12=64
5) a. a+b=45 a÷b=4 r 5 a,b=?
a÷b=4 r 5⇒a=b×4+5
4b+5+b=45 5b+5=45 5b=45-5 5b=40 b=40÷5 b=8 a=45-8 a=37
Sper ca te am ajutat!