简算.（1）386-58+114 （2）265+197-65 （3）3645+36x56-36

(1) 386-58+114
=386+114-58
=500-58
=442
(2)265+197-65
=265-65+197
=200+197
=397
(3) 36×45+36x56-36(如果式子是这样)
=36×(45+56-1)
=36×100
=3600
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