(1102-1000)×1/37×0.27÷3.

问题描述:

(1102-1000)×

1
37
×0.27÷3.

(1102-1000)×

1
37
×0.27÷3,
=[(11×10)2-100×10]×
1
37
×0.09,
=(11×11×100-100×10)×
1
37
×
9
100

=100×(11×11-10)×
1
37
×
9
100

=100×111×
1
37
×
9
100

=27.