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0.98乘以35简便运算

0.98*35=(1-0.02)*35=1*35-0.02*35=35-0.7=34.7

98*35=(100-2)*35=100*35-2*35=3500-70=3430

0.98乘36=(1-0.02)*36=1*36-0.02*36=36-0.72=35.28

0.035+9.9*0.35= 0.035 + 99*0.035= 0.035*(1+99)= 0.035*100= 3.5

3.5-3.5*0.98=3.5*(1-0.98)=3.5*0.02=0.07

0.98*3.2=(1-0.02)*3.2=1*3.2-0.02*3.2=3.2-0.064=3.316

0.98*37.2=(10—0.02)*37.2=10*37.20.02*37.2等于372-0.744=371.256

0.98*105=(1-0.02)*(100+5)=100+5-0.02*100-0.02*5=105-2-0.1=102.9

(1一0.02)*0.45

2.78x0.98=2.78x(1-0.02)=2.78x1-2.78x0.02=2.78-0.0556=2.7244谢谢,请采纳

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