【小学简便计算题】(2/69+2/71)×23+25÷71要有详细过程!谢谢各位了~~~~~~~

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【小学简便计算题】(2/69+2/71)×23+25÷71要有详细过程!谢谢各位了~~~~~~~
【小学简便计算题】
(2/69+2/71)×23+25÷71
要有详细过程!
谢谢各位了~~~~~~~

【小学简便计算题】(2/69+2/71)×23+25÷71要有详细过程!谢谢各位了~~~~~~~
(2/69+2/71)×23+25÷71
=2/69x23+2/71x23+25/71
=2/3+(46/71+25/71)
=2/3+1
=5/3 或1又2/3

2/69×23+2/71×23+25/71
=2/3+(2×23+25)/71
=5/3

(2/69+2/71)×23+25÷71
=2/69x23+2/71x23+25/71
=2/3+(46/71+25/71)
=2/3+1
=5/3

=2/69*23+2*23/71+25/71
=2/69*23+71/71
=46/69+1
=115/69

原式=(2×23)/69+(2×23)/71+25/71
=2/3+(46+25)/71
=2/3+1
=5/3