Question

am evaluare la marematică îmi trebuie urgent​

Answer 1

2.a)ADD'A'

b)VA

c)OO'

d)CB

3.

a)adevărat

b)3 2/9=(27+2)/9=29/9≠15/9 fals

c) fals

d)d= fals

e)3/7din42=3×42/7=18 adevărat

4.a)2,5:10×[5,16-(1,2)²]=

25/10:10×(516/100-144/100)=

25/100×372/100=1/4×372/100=

93/100

b)³3/7+24/21=(9+24)/21=33/21=11/7