Question

Urgent !!!! Dau de toate , macar cateva ex sa fie rezolvate !!!! ​

Answer 1

Răspuns:

1.

9+15-4=20

2.

710 sau 715

3.

2/5 = 4/10 > 3/10

4.

4,32-0,6 = 3,72

5.

(18+15+9)/3 = 42/3 = 14

6.

a)753(216-196)+20×247=

753×20 + 20×247 =

20(753+247) =

20×1000=

20000

b)61,4+4=65,4

c)10,8 - 0,8=10

d)[(108:9×2-4)×9-16]:4=

[(12×2-4)×9-16]:4=

(20×9-16):4=

(180-16):4=

164:4=

41