填空:()÷()=5:()=2:()=()%(括号里填50以内整数)

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填空:()÷()=5:()=2:()=()%(括号里填50以内整数)

填空:()÷()=5:()=2:()=()%(括号里填50以内整数)
填空:()÷()=5:()=2:()=()%(括号里填50以内整数)

填空:()÷()=5:()=2:()=()%(括号里填50以内整数)
(20)÷(40)=5:(10)=2:(4)=(50)%

(1/5或2/10或3/15或4/20或5/25或6/30或7/35或8/40或9/45)=5:25=2:10=20%