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3.51x49＋35.1x5.1＋49x51用简更方法计算
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相关问题
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用简便方法计算51*49+3.51*49+5.1*35.1
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求简便计算:3.51X49+35.1X5.1+49X5.1
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计算：3.51×49+35.1×5.1+49×51=______．
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计算：3.51×49+35.1×5.1+49×51=______．
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1/1x3+1/2x4+...1/49x51=
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用公式法计算：1：（3x-1\2)（-1\2+3x)(-1\4-9x²）2:51²+49²
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1/1X3+1/3X5+1/5x7+1/7+9+…+1/49x51=?
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用简便算方计算,49×49-51+49×51
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(-49)x(-32)+(-51)x(+32)
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求下列算式的答案.是简便计算.204x25 97x24 28x51+47x51+25x51 49x33+35x33-74