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0.58X6.5十0.58X3.5的简更计算

=0.58*(6.5+3.5) =0.58*10 =5.8

0.58x1.5+0.58x2.5+0.58=0.58*(1.5+2.5+1)=0.58*5=2.9

原式=0.58÷0.58*1.3*1.3 =1.3*1.3 =1.69如果满意请采纳,谢谢

0.58x7十0.58x3=0.58x(7十3)=0.58x10=5.8

1.186解析: 0.58*1.2+0.49 =0.58*(1+0.2)+0.49 =0.58+0.116+0.49 =0.6-0.02+0.116+0.50-0.01 =1.1+0.116-0.03 =1.1+0.086 =1.186

简便方法计算0.58X1.3÷0.58X1.3=0.58X1.3÷0.58X1.3=(0.58÷0.58)*(1.3÷1.3)=1*1.69=1.69

=0.58*37+0.58*42+58*0.21=0.58*(37+42)+58*0.21=0.58*79+58*0.21=58*0.79+58*0.21=58*(0.79+0.21)=58*1=58

简便计算46X0.58+54x0.58=(46十54)X0.58=100x0.58=58

0.58x1.3÷0.58x1.3有简算=(0.58÷0.58)x(1.3x1.3)=1x1.69=1.69

原式=2.014*6.5+2.014*10*0.35+2.014=2.014*(6.5+3.5+1)=2.014*11=2.014*10+2.014=20.14+2.014=22.154

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