\(a.4,75+x=2,4\times5,6\)
\(4,75+x=13,44\)
\(x=13,44-4,75\)
\(x=8,69\)
\(c.x\times7,5=44,625:1,7\)
\(x\times7,5=26,25\)
\(x=26,25:7,5\)
\(x=3,5\)
\(b.x-7,3=13,8+9,37\)
\(x-7,3=23,17\)
\(x=23,17+7,3\)
\(x=30,47\)
\(d.x:6,4=34,7-23,85\)
\(x:6,4=10,85\)
\(x=10,85\times6,4\)
\(x=69,44\)
Bài 6.Tìm x:
a) 4,75 + x = 2,4 x 5,6;
4,75 + x = 13,44
x = 13,44 - 4,75
x = 8,69
b) x – 7,3 = 13,8 + 9,37;
x – 7,3 = 23,17
x = 23,17 + 7,3
x = 30,47
c) x x 7,5 = 44,625 : 1,7;
x x 7,5 = 26,25
x = 26,25 : 7,5
x = 3,5
d) x : 6,4 = 34,7 – 23,85
x : 6,4 = 10,85
x = 10,85 x 6,4
x = 69,44
Bài 6.Tìm x:
a) 4,75 + x = 2,4 x 5,6;
4,75 + x = 13,44
x = 13,44 - 4,75
x = 8,69
b) x – 7,3 = 13,8 + 9,37;
x – 7,3 = 23,17
x = 23,17 + 7,3
x = 30,47
c) x x 7,5 = 44,625 : 1,7;
x x 7,5 = 26,25
x = 26,25 : 7,5
x = 3,5
d) x : 6,4 = 34,7 – 23,85
x : 6,4 = 10,85
x = 10,85 x 6,4
x = 69,44
Bài 6.Tìm x:
a) 4,75 + x = 2,4 x 5,6;
4,75 + x = 13,44
x = 13,44 - 4,75
x = 8,69
b) x – 7,3 = 13,8 + 9,37;
x – 7,3 = 23,17
x = 23,17 + 7,3
x = 30,47
c) x x 7,5 = 44,625 : 1,7;
x x 7,5 = 26,25
x = 26,25 : 7,5
x = 3,5
d) x : 6,4 = 34,7 – 23,85
x : 6,4 = 10,85
x = 10,85 x 6,4
x = 69,44
