Question

Va rog îmi trebuie urgent!!!
Dau Coroana...​

Answer 1

Răspuns:

4) a=29/12

b=256/77

c=176/143

d=145/21

e=92/35

f=74/209

g=74/115

h=179/7

Explicație pas cu pas:

4) a. 3/4+ 5/3= 9/12+20/12= 29/12

b. 15/7+13/11=165/77+91/77= 256/77

c. 3/13+1/11=33/143+13/143=176/143.

d.16/3+11/7=112/21+33/21=145/21.

e.11/5+3/7=77/35+15/35=92/35.

f. 1/11+5/19=19/209+55/209=74/209.

g.3/5+1/23=69/115+5/115=74/115.

h.1 întreg și 1/7+1 întreg și 2/11= 8/7+13/11=88/77+91/77=179/77

5) a. 1/6+5/4=2/12+15/12=17/12

b.13/21+13/14=26/42+ 39/42= 65/42

c.4/15+1/20= 16/60+3/60=19/60

d.6/25+7/20=24/100+35/100=59/100

e.11/14+3/35=55/70+6/70=61/70

f.1/8+7/12=3/24+14/24=17/24

g.5/33+1/22=10/66+3/66=13/66

h. 10/9+11/6= 20/18+33/18=53/18

6.a.1/10+3/100=10/100+3/100=13/100

b.3/10+7/2=3/10+35/10=38/10=16/5

c.25/100+1/4=1/4+1/4=2/4

d.3/4+5/2=3/4+10/4=13/4

e.11/14+23/14=34/14=17/7

f.1/8+15/16=2/16+15/16=17/16

g.3/5+1/2=6/10+5/10=11/10

h.8/7+9/2=16/14+63/14=79/14