ajutor: 1) Efectueaza apoi fa proba: 47:2= 98:3= 98:3= 48:4= 58:5= 69:5=

Răspuns :

47:2=23 rest 1
2x23=46+1=47
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98:3=32 rest 2
32x3=96+2=98
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48:4=12
12x4=48
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58:5=11 rest 3
11x5=55+3=58
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69:5=13 rest 4
13x5=65 +4=68
47 : 2 = 23 rest 1
23 x 2 +1 = 46+1=47
 
98 : 3= 32 rest 2
32 x 3 + 2= 96 +2 =98
 
48  : 4 = 12
12 x 4 = 48

58 : 5 = 11 rest 3
11 x 5 +3 =55 + 3 =58
 
 69 : 5 = 13 rest 4
13 x 5 +4 =65 +4 =69