已知A B C为整数 A+B=73 C-B=56 A-C=11 请问ABC之和的平方为多少
解方程组张争层类委更站:A+B=73C-B=56A-C=11得A=70B=3C=59(或从式子明显看出:C比B大56,A比C大11,则A比B大67.因此A+B相当于2B+67=7...
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A+B=58,A+B÷4=37,A和B个是多少?
A+B=5蒸冷8,A+B÷4=37,A和B各是多少?把A+B÷4=37化为A+B/4=37两边同派际字顺情形末执层乘以44A+B=148(1)A+B=58(2)(1)-(2)3A...
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