121乘27加121乘60加121乘16加79乘91加12乘79 6.801减{0.153加0.801}简便

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121乘27加121乘60加121乘16加79乘91加12乘79 6.801减{0.153加0.801}简便
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121乘27加121乘60加121乘16加79乘91加12乘79 6.801减{0.153加0.801}简便
121乘27加121乘60加121乘16加79乘91加12乘79 6.801减{0.153加0.801}简便

121乘27加121乘60加121乘16加79乘91加12乘79 6.801减{0.153加0.801}简便
121乘27加121乘60加121乘16加79乘91加12乘79
=121×(27+60+16)+79×(91+79)
=121×103+79×170
=12463+13430
=25893
6.801减{0.153加0.801}
=6.801-0.801-0.153
=6-0.153
=5.847