问题
解答题
(1)2x-16×
(2)
|
答案
(1)2x-16×
=52,3 4
2x-12+12=52+12,
2x=64,
2x÷2=64÷2,
x=32;
(2)
:x=6%:0.8,3 10
6%x=
×0.8,3 10
6%x=6 25
6%x÷6%=
÷6%,6 25
x=4.
(1)2x-16×
(2)
|
(1)2x-16×
=52,3 4
2x-12+12=52+12,
2x=64,
2x÷2=64÷2,
x=32;
(2)
:x=6%:0.8,3 10
6%x=
×0.8,3 10
6%x=6 25
6%x÷6%=
÷6%,6 25
x=4.