8888×1111+4444×7778=?
问题描述:
8888×1111+4444×7778=?
答
8888×1111+4444×7778
=4444×2×1111+4444×7778
=4444×2222+4444×7778
=4444×(2222+7778)
=4444×10000
=44440000