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Va rog!!! Urgent!!! Dau Coroana PROMIT!!!

Va Rog Urgent Dau Coroana PROMIT class=

Răspuns :

2.) 872÷17= 51,29
17×51,29= ~872

11500÷400= 28,75
400×28,75= 11500

3.) a×8= 4632
a= 4632÷8
a= 579

1820÷b= 70
b= 1820÷70
b= 26

c÷23= 45 rest 4
c= 23×45+4
c= 1035+4
c= 1039
2)

872 : 17 = 51 rest 5
51 × 17 = 867 + 5 = 867

11 500 : 400 =
115 : 4 = 28 rest 3 ->
11 500 : 3 = 28 rest 300
400 × 28 = 11 200 + 300 = 11 500

3)
a = 4632 : 8
a = 579

b = 1820 : 70
b = 26

c = 45 × 23 + 4
c = 1039