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BatMan010101
a fost răspuns

Calculeaza respectand ordinea operatiilor
a (120-9x10):5+124x9-(70-81:9)=
b (72:8+324)-(64:8+60x2)=
c (124x9+364x7)x0+503x3=

Dau coroana 

Răspuns :

Miruna10122006
a (120-9×10):5+124×9-(70-81:9)=
= (120-90):5+124×9-(70-9)
=30:5+124×9-61
=6+1116-61
=1122-61
=1061

b (72:8+324)-(64:8+60×2)=
=(9+324)-(8+120)
=333-128
=205

c (124×9+364×7)×0+503×3=
=(1116+2548)×0+503×3
=3664×0+503×3
=0+1509
=1509

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