问题
解答题
观察例题再填空.
24×11=240+24=26449×11=______+______=______.
答案
49×11
=49×(10+1)
=49×10+49×1
=490+49
=539.
故答案为:490,49,539.
观察例题再填空.
24×11=240+24=26449×11=______+______=______.
49×11
=49×(10+1)
=49×10+49×1
=490+49
=539.
故答案为:490,49,539.