1+2+3+4+5+6+7+8+9*10-22+13*4
=36+90-22+52
=156
不知我理解的是不是
1+2+3+4+5+6+7+8+9*10-22+13*4
1+2+3+4+5+6+7+8+9*10-22+13*4
數(shù)學(xué)人氣:309 ℃時間:2020-04-22 20:49:41
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