a) 45372-23125-12023=22247-12023=10224
c) 577775-22222+11999=555553+11999=567552
b) 10765+13253-2372=24018-2372=21646
d) 23403103-12413042-7214052=10990061-7214052=3776009
Sper ca te-am ajutat