15x37简便方法

2026-02-13 20:53:11

1、15x37简便方法:

=5 x 3 x 37

=3 x 37 x 5

=111 x 5

=555

2、15x37简便方法:

=(10 + 5) x 37

=10 x 37 + 5x37

=370 + 185

=555

3、15x37简便方法:

=(20 - 5) x 37

=20 x 37 - 5 x 37

=740 - 185

=555

4、15x37简便方法:

=15 x ( 40 - 3)

=15 x 40 - 15 x3

=600 - 45

=555

5、15x37简便方法:

=15 x (30 + 7)

=15 x 30 + 15 x 7

=450 + 105

=555


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