0.153*34+0.459*22 简算

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0.153*34+0.459*22 简算

0.153*34+0.459*22
=0.153*34+0.153*3*22
=0.153*34+0.153*66
=0.153*(34+66)
=0.153*100
=1.53

0.153*34+0.459*22
=0.153*34+0.153*66
=0.153*(34+66)
=0.153*100
=15.3