11ⅹ26+0.23ⅹ5700+3200ⅹ2.3怎么简算?
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11×26+0.23×5700+3200×2.3
=10×26+1×26+23/100×5700/1+32×100×230/100
=260+26+23×5700/100+32×230×100/100
=286+23×57+32×23×10
=286+23×(57+32×10)
=286+23×(57+320)
=286+23×377
=286+(20+3)×(300+70+7)
=286+20×300+20×70+20×7+3×300+3×70+3×7
=286+6000+1400+140+900+210+21
=200+86+21+6000+(1400+900)+140+200+10
=200+200+107+6000+2300+100+40+10
=400+100+7+8300+100+50
=500+100+7+50+8300
=600+8300+57
=8900+57
=8957
=10×26+1×26+23/100×5700/1+32×100×230/100
=260+26+23×5700/100+32×230×100/100
=286+23×57+32×23×10
=286+23×(57+32×10)
=286+23×(57+320)
=286+23×377
=286+(20+3)×(300+70+7)
=286+20×300+20×70+20×7+3×300+3×70+3×7
=286+6000+1400+140+900+210+21
=200+86+21+6000+(1400+900)+140+200+10
=200+200+107+6000+2300+100+40+10
=400+100+7+8300+100+50
=500+100+7+50+8300
=600+8300+57
=8900+57
=8957
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