Question

Problema 3 si 4 va rooog!Dau coroana
Repedee

Answer 1

la 3 este 4x4=16 este raspunsul


la 4 872 si celelalte nr le scazi cu 872

Answer 2

1. nr tei plantati pe o singura parte ⇒ 24:6+1=6+1=7 tei                                               7 tei × 2= 14 tei ( fiind plantati  pe ambele parti ale aleii
2. x-123= y-405 = z-326                                                                                        x+y+z= 872                                                                                                              daca x-123=y-405 ⇒ x=y-405+123 ⇒x=y-282                                                            iar  z-326=y-405 ⇒ z=y-405+326 ⇒z=y-79 y-282+y+y-79=8723 y-361=872 3y=872+3613y=1233 ⇒y=1233÷3 ⇒y=411x-123=411-405 x-123=6 x=123+6  x=129 z-326=411-405 z-326=6 z=326+6 z=332