(1102-1000)×1/37×0.27÷3.
问题描述:
(1102-1000)×
×0.27÷3. 1 37
答
(1102-1000)×
×0.27÷3,1 37
=[(11×10)2-100×10]×
×0.09,1 37
=(11×11×100-100×10)×
×1 37
,9 100
=100×(11×11-10)×
×1 37
,9 100
=100×111×
×1 37
,9 100
=27.