11-7/10-3/10简便7/12-(3/4-1/2)简便1/2-(3/4-3/8)简便?

如题所述

第1个回答  2020-08-20
11-7/10-3/10
=11-(7/10+3/10)
=11-1
=10

7/12-(3/4-1/2)
=7/12-9/12+6/12
=4/12
=1/3
1/2-(3/4-3/8)
=1/2-3/4+3/8
=4/8-6/8+3/8
=1/8
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