Question

va rog repede..ex 7,8,9,10 si 11

Answer 1

7.)a.34555 <34545
b.46543>56974
c.279926 <25165

8.)x/7-x=9
x/6 <5/6-x=6
x/7-x=5
x/7-x=3

9.)a.50 625-625:25+101×11=
50 625-25+1,111=
50 600+1,111=
51,711

b.(208:2+50:2)×3-75×4=
(104+25)×3-300=
129×3-300=
387-300=
87

c.65+8×(101×1+111:1)=
65+8×(101+111)=
65+8×212=
65+1,696=
1,716

d.30+[60-6×(63:9+36:9)-6]=
30+[60-6×(7+4)-6]=
30+(60-6×11-6)=
30+(60-66-6)=
30+(60-60)=
30+0=
30

11.)5/9=7/9-2/9
4/7=8/7-4/7
6/10=9/10-3/10
3/8=6/8-3/8