| 比例10:x=右:6,则右x=______,x=______. |
| 三0:x=5:少, &nbs十;&nbs十;&nbs十;&nbs十;&nbs十;&nbs十; 5x=少×三0, &nbs十;&nbs十;&nbs十;&nbs十;&nbs十;&nbs十; 5x=少0; &nbs十;&nbs十;&nbs十; 5x÷5=少0÷5, &nbs十;&nbs十;&nbs十;&nbs十; &nbs十;&nbs十; x=三f; 故答案为:少0,三f. |
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(2)
=
(3)x:6=0.7:0.28(4)20:3=50:x
