小数简便计算_小数简便计算答案

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小数简便计算

1.135+3.346+5.557+7.768+9.979 1.996+19.97+199.8

9.8+99.8+999.8+9999.8+99999.8 2.894.68+4.686.11+4.68

1.1+3.3+5.5+7.7+9.9+11.11+13.13+15.15+17.17+19.19

6.11+9.22+8.33+7.44+5.55+4.56+3.67+2.78+1.89

17.4837-17.4819+17.4882 1.250.322.5

28.6767+32286.7+573.40.05 754.7+15.925

172.46.2+27240.38 0.88812573+9993

0.00…01810.00…011 34.58.23-34.5+2.7734.5

963个0 1028个0

下面有两个小数:

a=0.00…0105 b=0.00…019

1994个0 1996个0 求a+b,a-b,ab,ab.12.34+23.45+34.56+45.67+56.78+67.89+78.91+89.12+91.23

6.250.16+2640.0625+5.26.25+0.62520

19.9837-199.81.9+19980.82

0.035935+0.035+30.035+0.07610.5

13.59.9+6.510.1 19.9837-199.81.9+19980.82

32.14+64.280.53780.25+0.537864.280.75-864.280.1250.5378