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Calculeaza: 24×(10903-345×29)=; 90023-(678×23+74×55)=

Răspuns :

24x (10903-345x29)=
24x(10903-10005)=
24x898=21552
a)24×(10903-10005)
24×898=21552
b)90024-(21696+ 4070)
90024-17626=72398