Ex 3 Repedeee dau corona urgenttttt

Ex 3 Repedeee Dau Corona Urgenttttt class=

Răspuns :

1)900-476=756-332
424=424
2)540+136=62+288
676=350
3)63x43=456+1365
2709=1821
4)2415-645=38x69
1770=2622