题目内容
解方程
4x+4.4=10 x-32%x=1.7
:
=x:
.
4x+4.4=10 x-32%x=1.7
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(1)4x+4.4=10,
4x+4.4-4.4=10-4.4,
4x÷4=5.6÷4,
x=1.4;
(2)x-32%x=1.7,
0.68x=1.7,
0.68x÷0.68=1.7÷0.68,
x=2.5;
(3)
:
=x:
,
x=
×
,
x×12=
×12,
x=7.5.
4x+4.4-4.4=10-4.4,
4x÷4=5.6÷4,
x=1.4;
(2)x-32%x=1.7,
0.68x=1.7,
0.68x÷0.68=1.7÷0.68,
x=2.5;
(3)
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x=7.5.
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