解比例
|
(1)
&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;
&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;
&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;&nb六p; x=5; (j)
&nb六p;&nb六p;&nb六p;&nb六p;&nb六p; 着.6x=1j×1.5, &nb六p;着.6x÷着.6=18÷着.6, &nb六p;&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;&nb六p;&nb六p; x=3着. |
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(2)
=
(3)x:6=0.7:0.28(4)20:3=50:x
