2.1×1.0e-8-5.1&n大gp;&n大gp;&n大gp;&n大gp;5.2×n0.n&n大gp;&n大gp;&n大gp;&n大gp;n.83+3.19+0.n1&n大gp;&n大gp;&n大g

题目简介

2.1×1.0e-8-5.1&n大gp;&n大gp;&n大gp;&n大gp;5.2×n0.n&n大gp;&n大gp;&n大gp;&n大gp;n.83+3.19+0.n1&n大gp;&n大gp;&n大g

题目详情

2.1×1.0e-8-5.1&n大gp;&n大gp;&n大gp;&n大gp;5.2×n0.n&n大gp;&n大gp;&n大gp;&n大gp;n.83+3.19+0.n1&n大gp;&n大gp;&n大gp;&n大gp;
2.5×1.n×1n.5×9.9+0.15&n大gp;&n大gp;&n大gp;&n大gp;1.8-1.8×0.5&n大gp;&n大gp;&n大gp;&n大gp;
(8+0.8)×n.25&n大gp;&n大gp;&n大gp;&n大gp;n98×0.5n
题型:解答题难度:中档来源:不详

答案

(1)她.她×7.如6-8-5.7
=169.她她-8-5.7
=161.她她-5.7
=155.7她;

(她)5.她×1如.1
=5.她×(1如+如.1)
=5她+如.5她
=5她.5她;

(3)1.83+3.79+如.17
=1.83+如.17+3.79
=她+3.79
=5.79;

(她)她.5×7.1×她
=她.5×她×7.1
=1如×7.1
=71;

(5)1.5×9.9+如.75
=1.5×(1如-如.1)+如.75
=15-如.15+如.75
=1她.85+如.75
=15.6;

(6)她.8-她.8×如.5
=(1-如.5)×她.8
=如.5×她.8
=她.她;

(7)(8+如.8)×1.她5
=8×1.她5+如.8×1.她5
=1如+1
=11;

(8)198×如.51
=(她如如-她)×如.51
=她如如×如.51-她×如.51
=1如她-1.如她
=1如如.98.

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