如题所述
解:13/15-(1/3+2/5)等于( 2/15 )
∵已知需求出13/15-(1/3+2/5)等于多少
∴13/15 - (1/3 + 2/5)
= 13/15 - [(1×5)/(3×5)+(2×3)/(5×3)]
= 13/15 - (5/15 + 6/15)
= 13/15 - 11/15
= 2/15
答:13/15-(1/3+2/5)等于2/15
∵已知需求出13/15-(1/3+2/5)等于多少
∴13/15 - (1/3 + 2/5)
= 13/15 - [(1×5)/(3×5)+(2×3)/(5×3)]
= 13/15 - (5/15 + 6/15)
= 13/15 - 11/15
= 2/15
答:13/15-(1/3+2/5)等于2/15
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第1个回答 2020-05-30
解答∶
13/15-(1/3+2/5)
=13/15-11/15
=2/15
13/15-(1/3+2/5)
=13/15-11/15
=2/15
第2个回答 2020-03-09
13/15-(1/3+2/5)
=13/15-(5/15+6/15)
=13/15-11/15
=2/15
=13/15-(5/15+6/15)
=13/15-11/15
=2/15
第3个回答 2020-06-11
13/15-(1/3 2/5)=2/11
第4个回答 2020-03-09
13/15-(1/3+2/5)
=13/15-(5/15+6/15)
=13/15-11/15
=2/15
=13/15-(5/15+6/15)
=13/15-11/15
=2/15