99x27十27怎么简便算

2026-02-14 15:10:43

1、99x27十27简便计算:

=99 x 27 + 27 x 1

=(99 + 1) x 27

=100 x 27

=2700

2、99x27十27简便计算:

=(100 - 1) x 27 +27

=100 x 27 - 27 + 27

=2700 -27 + 27

=2700


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