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脱式计算5.3×1.7-0.7×5.3 3.4×2.81+0.66×28.1 5.6×0.125+2.4÷8 15-5.95×8.4÷3.5 8.01-(

答案:1  悬赏:50  手机版
解决时间 2021-03-31 23:29
  • 提问者网友:黑米和小志
  • 2021-03-31 04:29
脱式计算5.3×1.7-0.7×5.3 3.4×2.81+0.66×28.1 5.6×0.125+2.4÷8 15-5.95×8.4÷3.5 8.01-(
最佳答案
  • 五星知识达人网友:夜风逐马
  • 2021-03-31 04:58
(1)5.3×1.7-0.7×5.3,
=5.3×(1.7-0.7),
=5.3×1,
=5.3;

(2)3.4×2.81+0.66×28.1,
=0.34×28.1+0.66×28.1,
=28.1×(0.34+0.66),
=28.1×1,
=28.1;

(3)5.6×0.125+2.4÷8,
=5.6×0.125+2.4×0.125,
=0.125×(5.6+2.4),
=0.125×8,
=1;


(4)15-5.95×8.4÷3.5,
=15-14.28,
=0.72;

(5)8.01-(0.43+7%)÷0.1,
=8.01-0.5÷0.1,
=8.01-5,
=3.01;

(6)2.32×49-(10.26+8.24)
=2.32×49-18.5,
=113.68-18.5,
=95.18.
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