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奥数速算题目

时间:2021-07-05 14:32:05 数学 我要投稿

奥数速算题目推荐

  1.计算1.135+3.346+5.557+7.768+9.979=_____.

  2.计算1.996+19.97+199.8=_____.

  3.计算9.8+99.8+999.8+9999.8+99999.8=_____.

  4.计算6.11+9.22+8.33+7.44+5.55+4.56+3.67+2.78+1.89=_____.

  5.计算1.1+3.3+5.5+7.7+9.9+11.11+13.13+15.15+17.17+19.19=_____.

  6.计算2.894.68+4.686.11+4.68=_____.

  7.计算17.4837-17.4819+17.4882=_____.

  8.计算1.250.322.5=_____.

  9.计算754.7+15.925=_____.

  10.计算28.6767+3.2286.7+573.40.05=_____.

  11.计算172.46.2+27240.38.

  12.计算3.17-2.74+4.7+5.29-0.26+6.3=_____.

  13.计算(5.25+0.125+5.75)8=_____.

  14.计算34.58.23-34.5+2.7734.5=_____.

  15.计算6.250.16+2640.0625+5.26.25+0.62520=_____.

  16.计算0.035935+0.035+30.035+0.07610.5=_____.

  17.计算19.9837-199.81.9+19980.82=_____.

  18.计算13.59.9+6.510.1=_____.

  19.计算0.1250.250.564=_____.

  20.计算11.843-8600.09=_____.

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