Question

cine ma ajuta va rog la fise dau coroana

Answer 1

3.
a=21:7×2 b=81:9+5
a=3×2 b=9+5
a=6 b=14
a+b=6+14=20
4.
Mod 1
15+12=27(portocale in total)
27:3=9(portii de portocale se pot face)
Mod 2
(15+12):3=27
5.
9×4=36
32:4=8
36-8=28
TESTUL 2
1.
18:2=9 80:10-24:3=0
30:3:5=2 (10+12+14):9=4
2.
15:3=5
p.
3×5=15
5×3=15
3.
a:3=9
a=3×9
a=27
56:u=7
u=56÷7
u=8
r×2×4=40
r=40÷4÷2
r=5
4.
Cu cat
28-7=21
de cate ori
28:7=4
5.
60÷2=30(jumatate)
30÷5=6(cincimea jumatatii)
6.
42
_ =42:6=7
6
42+7=49