Question

九百八十一加上五乘以九千八百一加上四十九乘以九百八十一的简便做法？

Answer 1

解
根据题意，先将文字转化为数字形式表达，也即是981+5×9810+49×981
981+5×9810+49×981
=981×(1+50+49)
=981×100
=98100
答：答案是98100

Answer 2

981+5×9810+49×981
＝981×(1+49)+5×981×10
＝981×50+50×981
＝981×(50+50)
＝981×100
＝98100

Answer 3

981+5×9810+49×981
=981×(1+49)+5×9810
=981×50+5×9810
=981×10×5+5×9810
=9810×5+5×9810
=2×9810×5=98100

Answer 4

981+5×981+49×981
=55×981
=981×100÷2+981×10÷2
=49050+4905
=53955

Answer 5

981+5×9810+49×981
=981×1+50×981+49×981
=981×(1+50+49)
=981×100
=98100