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101x2.69-1.25x26.9x0.8
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101x2.69-1.25x26.9x0.8
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答案和解析
101x2.69-1.25x26.9x0.8
=101x2.69-1.25xx0.8x10x2.69
=101x2.69-10x2.69
=(101-10)x2.69
=91*2.69
=244.79
题目应该是下面的吧
101x26.9-1.25x26.9x0.8
=101x26.9-1.25xx0.8x26.9
=101x26.9-1x26.9
=(101-1)x26.9
=100*26.9
=2690
=101x2.69-1.25xx0.8x10x2.69
=101x2.69-10x2.69
=(101-10)x2.69
=91*2.69
=244.79
题目应该是下面的吧
101x26.9-1.25x26.9x0.8
=101x26.9-1.25xx0.8x26.9
=101x26.9-1x26.9
=(101-1)x26.9
=100*26.9
=2690
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