Question

甲數(shù)是x，比乙數(shù)的4倍少y；表示乙數(shù)的式子是________．

Answer 1

分析：根據(jù)“比乙數(shù)的4倍少y；”知道甲數(shù)=乙數(shù)×4-y；由此用甲數(shù)加y求出乙數(shù)的4倍，再除以4就是乙數(shù)．
解答：（x+y）÷4，
=，
故答案為：．
點(diǎn)評(píng)：關(guān)鍵是把給出的字母當(dāng)做已知數(shù)，再根據(jù)數(shù)量關(guān)系等式：甲數(shù)=乙數(shù)×4-y；列式解答即可．