Question

Va rog! Am nevoie urgent! Dau coroana! 1,2!

Answer 1

1) Stefan = 84+84:2+ 32
=84+42+32
=126+32
=158
Mihaela=63+63:3+32
=63+21+32
=84+32
=116
R: cartea lui Stefan : 158 pag, cartea Mihaelei :116pag

2) 69:3=23
42:2=21
36:3=12
92:2=46
77:7=11
84:4=21
55:5=11
72:6=12
99:3=33

Answer 2

Ex1

A) A citit -84+84:2=84+42=126pg

I-a mai rămas de citit-32pg

Are cartea- pg

1) 126+32=158pg are cartea-

Ex1

B)

A citit-63+63:3=63+21=84pg

I-a mai rămas- 32pg

Are cartea- pg

1) 84+32=116 pg are cartea-

Ex2a)

36

22

19.5

B)

47

42

44

C)

30

39

51