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Ex 8 va roooooggg!!!!! Dau coroana!!!

Ex 8 Va Roooooggg Dau Coroana class=

Răspuns :

Răspuns:

(56+24)-(53+23)=80-76=4

(76+32)-(43-21)=108-22=86

(15-6)·(72:8)=9·9=81

(4·9):(24:4)=36:6=6

Răspuns:

a) (56+24)-(54+23)=81-77= 4

b) (67+32)-(43-21)=99-22=77

c) 15- 6= 9/ 72: 8= 9/ 9×9=81

d) 4×9=36 / 24:4= 6/ 36:6= 6