1樓：
main()
可以算出來
one basketball is 4, and one volleyball is 37.
one basketball is 12, and one volleyball is 36.
one basketball is 20, and one volleyball is 35.
one basketball is 28, and one volleyball is 34.
one basketball is 36, and one volleyball is 33.
one basketball is 44, and one volleyball is 32.
one basketball is 52, and one volleyball is 31.
one basketball is 60, and one volleyball is 30.
one basketball is 68, and one volleyball is 29.
one basketball is 76, and one volleyball is 28.
one basketball is 84, and one volleyball is 27.
one basketball is 92, and one volleyball is 26.
one basketball is 100, and one volleyball is 25
one basketball is 108, and one volleyball is 24
one basketball is 116, and one volleyball is 23
one basketball is 124, and one volleyball is 22
one basketball is 132, and one volleyball is 21
one basketball is 140, and one volleyball is 20
one basketball is 148, and one volleyball is 19
one basketball is 156, and one volleyball is 18
one basketball is 164, and one volleyball is 17
one basketball is 172, and one volleyball is 16
one basketball is 180, and one volleyball is 15
one basketball is 188, and one volleyball is 14
one basketball is 196, and one volleyball is 13
one basketball is 204, and one volleyball is 12
one basketball is 212, and one volleyball is 11
one basketball is 220, and one volleyball is 10
one basketball is 228, and one volleyball is 9.
one basketball is 236, and one volleyball is 8.
one basketball is 244, and one volleyball is 7.
one basketball is 252, and one volleyball is 6.
one basketball is 260, and one volleyball is 5.
one basketball is 268, and one volleyball is 4.
one basketball is 276, and one volleyball is 3.
one basketball is 284, and one volleyball is 2.
one basketball is 292, and one volleyball is 1.
2樓：匿名使用者
此題無解，題目沒錯吧！
紅星小學買了1個籃球和八個排球，正好用去330元。排球的單價是藍球的3分之1，排球和籃球的單價各是
3樓：科學普及交流
解：設排球x元一個，根據題意，得
8x+3x=330
解： x=30
3x=90
答：籃球90元，排球30元。
四年級1班買了籃球足球共390元，2班籃球足球380元問籃球，足球各多少錢？怎麼算的，謝謝
倫敦的冬日陽光 設籃球x元，足球y元 則3x 4y 390 4x 3y 380 解得x 50,y 60 謝謝。 3x 4y 390 4x 3y 380 x 50 y 60 籃球單價50元，足球單價60元 小貝皮耶羅 二元一次方程 設每個足球x元，籃球y元，3y 4x 390，3x 4y 380，解得...
王老師買了籃球和足球,共用544元錢 一隻每個籃球56元,每個足球48元 網了事買籃球和足球個多少個
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我覺得剛到家的小狗很容易有類似生病的症狀，其實很多都是因為他們剛到一個新環境緊張，不適應造成的。如果精神狀況，吃喝正常，鼻子不幹的話，另外沒有明顯的生病跡象的話，只需要按照之前主人的餵養方式繼續餵養就ok了的。我家金毛剛到家的時候，也是連續拉了幾天的肚子，但是胃口一直都很好，也很有精神，吃飯，睡覺，...