问题
填空题
48÷4=______,想:把48分成______和____________÷4=______,______÷4=______,
______+______=______.
答案
48÷4=12,想:把48分成40和8,40÷4=10,8÷4=2,再把商相加10+2=12,
故答案为:12,40,8,40,10,8,2,10,2,12.
48÷4=______,想:把48分成______和____________÷4=______,______÷4=______,
______+______=______.
48÷4=12,想:把48分成40和8,40÷4=10,8÷4=2,再把商相加10+2=12,
故答案为:12,40,8,40,10,8,2,10,2,12.