9999×2222+3333×333496%×25+7.5×10%+0.25666.6×888.8÷(4444×33.33)12+16+112+120+130(1+12)×(1-12)×(1+13)×

题目简介

9999×2222+3333×333496%×25+7.5×10%+0.25666.6×888.8÷(4444×33.33)12+16+112+120+130(1+12)×(1-12)×(1+13)×

题目详情

9999×2222+3333×3334
96%×25+7.5×10%+0.25
666.6×888.8÷(4444×33.33)
1
2
+
1
6
+
1
12
+
1
20
+
1
30

(1+
1
2
)×(1-
1
2
)
×(1+
1
3
)
×(1-
1
3
)
×…×(1+
1
99
)×(1-
1
99
)
题型:解答题难度:中档来源:不详

答案

9999×2222+3333×3334,
=3333×6666+3333×3334,
=3333×(6666+3334),
=3333×10000,
=33330000;

96%×25+7.5×10%+0.25,
=96%×25+25×3%+25×0.01,
=(96%+3%+0.01)×25,
=1×25,
=25;

666.6×888.8÷(4444×33.33),
=(666.6÷33.33)×(888.8÷4444),
=20×0.2,
=4;

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2
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12
+class="stub"1
20
+class="stub"1
30

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2
+class="stub"1
2
-class="stub"1
3
+class="stub"1
3
-class="stub"1
4
+class="stub"1
4
-class="stub"1
5
+class="stub"1
5
-class="stub"1
6

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6

=class="stub"5
6


(1+class="stub"1
2
)×(1-class="stub"1
2
)
×(1+class="stub"1
3
)
×(1-class="stub"1
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)
×…×(1+class="stub"1
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99
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2
×class="stub"1
2
×class="stub"4
3
×class="stub"2
3
×…×class="stub"100
99
×class="stub"98
99

=class="stub"1
2
×class="stub"100
99

=class="stub"50
99

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