
(1234+2341+5412+4123)÷5的简便方法
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(1234+2341+5412+4123)÷5
=【(1234+2341)+(5412+4123)】÷5
=(3575+9535)÷5
=3575÷5+9535÷5
=715+1907
=2622
=【(1234+2341)+(5412+4123)】÷5
=(3575+9535)÷5
=3575÷5+9535÷5
=715+1907
=2622
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