问题
填空题
甲数除乙数的商是8,余数为9,已知甲数,乙数,商,余数的和为125,乙数是______.
答案
设甲数为x,根据“被除数=商×除数+余数”得出乙数为8x+9,则:
x+(8x+9)+8+9=125,
9x+26=125,
9x+26-26=125-26,
9x=99,
x=11;
8×11+9=97;
故答案为:97.
甲数除乙数的商是8,余数为9,已知甲数,乙数,商,余数的和为125,乙数是______.
设甲数为x,根据“被除数=商×除数+余数”得出乙数为8x+9,则:
x+(8x+9)+8+9=125,
9x+26=125,
9x+26-26=125-26,
9x=99,
x=11;
8×11+9=97;
故答案为:97.