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Dau coroana si 5 stelute!! Multumesc!

Dau Coroana Si 5 Stelute Multumesc class=

Răspuns :

a=1/7+1/7:0,5

a=1/7+1/7:5/10

a=1/7+1/7:1/2

a=1/7+1/7×2

a=1/7+2/7

a=3/7

b=(0,75+0,5):6,25

b=1,25:6,25

b=0,2=2/10=1/5

c=1/2:1 1/3+(1/2)^2•1/2

c=1/2:4/3+1/4•1/2

c=1/2•3/4+1/8

c=3/8+1/8

c=4/8=1/2

Raspuns: d=7×3/7-5×1/5+2×1/2

d=3-1+1

d=2+1

d=3