Question

8888乘31减666乘13加444乘6简便方法怎么算？

Answer 1

8888×31-666×13十444×6
=8000×31十111×(8×31-6×13十4×6)
=248000十111×(8×31-6×9)
=248000十111×2(4×31-3×9)
=248000十222×(124-27)
=248000十222×97
=248000十222(100-3)
=248000十22200-666
=270200-666
=269534

Answer 2

8888×31-666×13+444×6
=8888×30+8888×1-666×（13-4）
=266640+8888-666×9
=266640+8888-666×10+666×1
=266640+2228+666
=266640+2894
=266640+3000-106
=269536