Question

va rog rapiddd dau coroana​

Answer 1

Răspuns:

Explicație pas cu pas:

a)

=48/5+13/5

=61/5

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b)

=19/7+32/7

=51/7

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c)

=²⁾67/14+⁷⁾39/4

=124/28+273/28

= 397/28

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a)

14/5-6/5= 8/5

b)

25/7-9/7= 16/7

c)

8/3-4/3= 4/3d)

d)

22/9-8/9= 14/9

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a)

³⁾21/5-27/15

= 63/15-27/15

= 36/15

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b)

⁵⁾31/8-15/40

= 155/40-15/40

=140/40

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c)

⁶⁾30/7-36/42

=180/42-36/42

= 144/42

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d)

³⁾20/3-21/9

= 60/9- 21/9

= 39/9

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a)

= ⁴⁾27/10 - ⁵⁾11/8

= 108/40-55/40

=53/40

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b)

= ³⁾41/12-²⁾31/18

=82/36-62/36

= 20/36

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c)

= ⁴⁾25 /14- ⁷⁾11/8

= 100/56-77/56

= 23/56