Question

Efectuează operațiile in ordinea in care sunt scrise: 63-37+28; 57+38-47; 56-27+23; 36+38-29; 53-24+63; 68-39+32; 54-28-18; 63-19-19;

Answer 1

63-37+28=26+28=54
57+38-47=95-47=48
56-27+23=29+23=52
36+38-29=74-29=45
53-24+63=29+63=92
68-39+32=29+32=61
54-28-18=26-18=8
63-19-19=44-19=25

Answer 2

63-37+28=26+28=54
57+38-47=48
56-27+23=52
36+38-29=45
53-24+63=92
68-39+32=61
54-28-18=8
63-19-19=25

succes