问题
解答题
|
答案
(1)x-0.5=6,
x-0.5+0.5=6+0.5,
x=6.5;
(2)2:7=16:X,
2x=7×16,
2x÷2=112÷2,
x=56;
(3)x÷
=36,3 4
x÷
×3 4
=36×3 4
,3 4
x=27;
(4)4x+6=14,
4x+6-6=14-6,
4x÷4=8÷4,
x=2.
|
(1)x-0.5=6,
x-0.5+0.5=6+0.5,
x=6.5;
(2)2:7=16:X,
2x=7×16,
2x÷2=112÷2,
x=56;
(3)x÷
=36,3 4
x÷
×3 4
=36×3 4
,3 4
x=27;
(4)4x+6=14,
4x+6-6=14-6,
4x÷4=8÷4,
x=2.