简算:444×0.24

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简算:444×0.24
简算:444×0.24

简算:444×0.24
444×0.24
=1111x4x0.24
=111x0.96
=111x1-111x0.04
=111-4.44
=106.56
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444*0.24
=(400+40+4)*0.24
=400*0.24+40*0.24+4*0.24
=96+9.6+0.96
=106.56

400*0.25+40*0.25+4*0.25-400*0.01-40*0.01-4*0.01=100+10+1-4-0.4-0.04=100+6.56=106.56