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(1)5.63×6.34+0.563×36.6=;(2)1240×3.8+124×63-12.4×10=;(3)已知B=0.00…081992个0A=0.00…0251992个0,那么A×B=;(4)已知△÷△=□△+△=○△-△=☆□+○+☆=11.4,那么:△=
题目详情
(1)5.63×6.34+0.563×36.6=______;
(2)1240×3.8+124×63-12.4×10=______;
(3)已知B=
A=
,那么A×B=______;
(4)已知△÷△=□△+△=○△-△=☆□+○+☆=11.4,那么:△=______.
A=
,那么A×B=______;
(4)已知△÷△=□△+△=○△-△=☆□+○+☆=11.4,那么:△=______.
0.00…08 0.00…08 1992个0 1992个0
,那么A×B=______;
(4)已知△÷△=□△+△=○△-△=☆□+○+☆=11.4,那么:△=______.
0.00…025 0.00…025 1992个0 1992个0
(2)1240×3.8+124×63-12.4×10=______;
(3)已知B=
| ||
| 1992个0 |
| ||
| 1992个0 |
(4)已知△÷△=□△+△=○△-△=☆□+○+☆=11.4,那么:△=______.
| ||
| 1992个0 |
| ||
| 1992个0 |
(4)已知△÷△=□△+△=○△-△=☆□+○+☆=11.4,那么:△=______.
| ||
| 1992个0 |
| 0.00…08 |
| 0.00…08 |
| 0.00…08 |
| ||
| 1992个0 |
(4)已知△÷△=□△+△=○△-△=☆□+○+☆=11.4,那么:△=______.
| ||
| 1992个0 |
| 0.00…025 |
| 0.00…025 |
| 0.00…025 |
▼优质解答
答案和解析
(1)5.63×6.34+0.563×36.6,
=56.3×0.634+56.3×0.366,
=56.3×(0.634+0.366),
=56.3;
(2)1240×3.8+124×63-12.4×10,
=1240×3.8+1240×6.3-1240×0.1,
=1240×(3.8+6.3-0.1),
=1240×10,
=12400;
(3)
×
,
=
=
(4))□+〇+☆,
=△÷△+△+△+△-△,
=1+2△,
=11.4,
所以2△=10.4,因此△=5.2;
故答案为:56.3,12400,
,5.2.
0.00…025 0.00…025 0.00…0251992个0 1992个0 1992个0×
,
=
=
(4))□+〇+☆,
=△÷△+△+△+△-△,
=1+2△,
=11.4,
所以2△=10.4,因此△=5.2;
故答案为:56.3,12400,
,5.2.
0.00…08 0.00…08 0.00…081992个0 1992个0 1992个0,
=
=
(4))□+〇+☆,
=△÷△+△+△+△-△,
=1+2△,
=11.4,
所以2△=10.4,因此△=5.2;
故答案为:56.3,12400,
,5.2.
=56.3×0.634+56.3×0.366,
=56.3×(0.634+0.366),
=56.3;
(2)1240×3.8+124×63-12.4×10,
=1240×3.8+1240×6.3-1240×0.1,
=1240×(3.8+6.3-0.1),
=1240×10,
=12400;
(3)
| ||
| 1992个0 |
| ||
| 1992个0 |
=

=
(4))□+〇+☆,
=△÷△+△+△+△-△,
=1+2△,
=11.4,
所以2△=10.4,因此△=5.2;
故答案为:56.3,12400,
,5.2.
| ||
| 1992个0 |
| 0.00…025 |
| 0.00…025 |
| 0.00…025 |
| ||
| 1992个0 |
=

=
(4))□+〇+☆,
=△÷△+△+△+△-△,
=1+2△,
=11.4,
所以2△=10.4,因此△=5.2;
故答案为:56.3,12400,
,5.2.
| ||
| 1992个0 |
| 0.00…08 |
| 0.00…08 |
| 0.00…08 |
=

=
(4))□+〇+☆,
=△÷△+△+△+△-△,
=1+2△,
=11.4,
所以2△=10.4,因此△=5.2;
故答案为:56.3,12400,
,5.2.
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