Question

heelp mee!ex 1 2 3,îmi trebuiesc cel într-o ora

Answer 1

1)
a) 124+1242=1366
87+504=591
b) 956-325=631
1834-744=1090
c) 4572-1513+208=3059+208=3267
675+980-899=1655-899=756

2) 
a) 13+24x9=13+216=229
37x9=333
b) 845-518=327
771x7=5397
c) 92+14-100=106-100=6
106-100=6

3)(145+216+96)x120=457x120=54840

Answer 2

1.a.
124+69×18=124+1242=1366
87+126×4=87+504

b.956-13×25=956-325=631
1834-186×4=1834-744=1090

c.4572-89×17+208=4572-1513+208=3059+208
=3267
675+196×5-899=675+980-899=1655-899=756

2.a.13+24×9=13+216=229
(13+24)×9=37×9=333
Deci 13+24×9 < (13+24)×9

b.845-74×7=845-518=327
(845-74)×7=5397
Deci 845-74×7 < (845-74)×7

Si la c la fel