Question

9.8x124用简便拖式怎么计算

9.8x124用简便拖式怎么计算

Answer 1

9.8x124
=（10-0.2）x124
=10x124-0.2x124
=1240-24.8
=1215.2

追答

行家正解，你参考下

Answer 2

9.8x124
=(10-0.2)x124
=10x124-0.2x124
=1240-24.8
=1215.2

Answer 3

9.8x124
=【100-0.2】*124
=12400-24.8
=12375.2
满意采纳

Answer 4

9.8x124
=（100-0.2）x124
=100x124-0.2x124
=12400-24.8
=12400-（30-5.2）
=12400-30+5.2
=12370+5.2
=12375.2
谢谢，请采纳

Answer 5

9.8x124
=124x(10-0.2)
=1240-24.8
=1215.2