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7. Verifica egalatile.
A) (1450+2300)+3007=1450+(2300+3007.

B) (6800-2100-1820=6800-(2100+3007) Dau coroana .



7 Verifica Egalatile A 145023003007145023003007B 680021001820680021003007 Dau Coroana class=

Răspuns :

A) (1450+2300)+3007=1450+(2300+3007)
3750+3007=1450+5307
6757=6757 (adevărat)

B) 6800-2100-1820=6800-(2100+3007)
4700-1820=6800-5107
2880=1707 (fals)