八分之三乘以十一分之五加0.375×2又十一分之六减三乘八分之三等于过程?
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解:
(3/8)×(5/11)+0.375×(2+6/11)-3×(3/8)
=15/88+0.375×(22/11+6/11)-9/8
=15/88+0.375×(28/11)-9/8
=15/88+(3/8)×(28/11)-9/8
=15/88+84/88-9/8
=15/88+84/88-99/88
=(15+84-99)/88
=0/88
=0
(3/8)×(5/11)+0.375×(2+6/11)-3×(3/8)
=15/88+0.375×(22/11+6/11)-9/8
=15/88+0.375×(28/11)-9/8
=15/88+(3/8)×(28/11)-9/8
=15/88+84/88-9/8
=15/88+84/88-99/88
=(15+84-99)/88
=0/88
=0
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