2.69×0.25+2.31÷4怎么简便计算?
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简便运算:
2.69×0.25+2.31×1/4
=2.69×0.25+2.31×0.25
=0.25×(2.69+2.31)
=0.25×5
=1.25
2.69×0.25+2.31×1/4
=2.69×0.25+2.31×0.25
=0.25×(2.69+2.31)
=0.25×5
=1.25
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