Question

afla numerele necunoscute:

(a+25)x10=470

(b:10):9=17 rest 6

100x(c:7+175:5)=6300

(240:10x37) :d=7 rest 6

va rog grabitiva !!! e urgent! dau coroana!

Answer 1

1. a+25=470:10
a+25=47
a=47-25
a=22
2. (b:10)=9x17+6
b:10=153+6
b:10=159
b=10x159
b=1590
3. 100x(c:7+175:5)=6300
c:7+35=6300:100
c:7+35=63
c:7=63-35
c:7=28
c=7x28
c=196
4. (240:10x37) :d=7 rest 6
(24x37):d=7 rest 6
888:d=7 rest 6
d=888:7+6
d=imposibil,nu stiu daca am gresit eu dar ma chinui si nu imi iese