Question

cum se rezolva pe caiet urgent

Answer 1

1)
225×8+9×6-32÷8=1800+54-4=1850
2)
429×6-137×5=2574-685=1889
3)
a+(87×5+13×5)=1000
a+(435+65)=1000
a+500=1000
a=1000-500
a=500
4)2×4-6÷6=8-1=7
5)
10×10-16÷4÷2=100-4÷2=100-2=98
6)
23×3-9×4÷2×3=69-36÷6=69-6=63