Question

Afla, Calculeaza ex: 2,3,4

Answer 1

20-4=16. ; 50:10=5. ; 20:4=5


32:4=8. ; 32•2=64. ; 8+10=18:2=8



9+6=15. 1000-674=326. 655•7=4585

Answer 2

2. a) 20-4=16
b)20÷4=5
c)50÷10=50
3.a) 32÷4=8
b) 32×2=64
c) 8+10=18
=18÷2
=9


4. a) 45:5+54÷9
=9+6
=15

b) 1000-129×6
=1000-774
= 226

c) (300+355)×7
=655×7
=4585