Răspuns:
A,F,F,F.
Explicație pas cu pas:
900-28×17=63×12-332
900-476=756-332
424=424(adevărat)
15×36+136=62+16×18
540+136=62+288
676=350(fals)
(48+15)×43=24×19+1 365
64×43=456+1 365
2 752=1 821(fals)
69×35-43×15=(900-862)×69
2 415-645=38×69
1 770=2 662(fals)