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Repede dau coroana ​

Repede Dau Coroana class=

Răspuns :

Răspuns:

b) 8×9+1×121-1=

72+121-1=

193-1=192

d) 9× [ ( 8+7×11)× 4-3]+2 =

9× [ ( 8+ 77) × 4-3] +2=

9× ( 85×4-3) +2=

9× 350+2=

3150+2= 3152