Question

Va roggg exercițiul 9 de acolo va rog!

Answer 1

a)72:x=9 x=72:9=8 x=8. b) x:5+13=23 x:5=23-13 x:5=10 x= 10•5=50 x=50. c) 231:11=x+7 21=x+7 x=21-7=14. d) 1:x=x x=1 e) x:8=5 x=8•5=40 x=40 f) 36:x+11=15 36:x=15-11 36:x=4 x=36:4=9 x=9 g)2•x:8=5 x=40:2=20 h) x:13=14 x=13•14 x=182 Coroană?

Answer 2

Răspuns:

a)72:x=9

x=72:9=8 =>x=8

b) x:5+13=23

x:5=23-13

x:5=10

x= 10·5=50 =>x=50

c) 231:11=x+7

21=x+7

x=21-7=>x=14

d) 1:x=x=> x=1

e) x:8=5

x=8·5=4=> x=40

f) 36:x+11=15

36:x=15-11

36:x=4

x=36:4=9=> x=9

g)2x:8=5

x=40:2=>x=20

h) x:13=14

x=13·14 =>x=182