最終更新日
：2024/07/28
plus-minus sign
noun
(mathematics)
the
symbol
±,
meaning
"plus
or
minus",
used
to
indicate
the
precision
of
an
approximation
(as
in
"The
result
is
10
±
0.3",
meaning
the
result
is
anywhere
in
the
inclusive
range
from
9.7
to
10.3),
or
as
a
convenient
shorthand
for
a
quantity
with
two
possible
values
of
opposing
sign
and
identical
magnitude
(as
in
"The
roots
of
the
equation
x²
-
4
=
0
are
±2").
意味（1）
(mathematics)
the
symbol
±,
meaning
"plus
or
minus",
used
to
indicate
the
precision
of
an
approximation
(as
in
"The
result
is
10
±
0.3",
meaning
the
result
is
anywhere
in
the
inclusive
range
from
9.7
to
10.3),
or
as
a
convenient
shorthand
for
a
quantity
with
two
possible
values
of
opposing
sign
and
identical
magnitude
(as
in
"The
roots
of
the
equation
x²
-
4
=
0
are
±2").
復習用の問題
(mathematics) the symbol ±, meaning plus or minus
, used to indicate the precision of an approximation (as in The result is 10 ± 0.3
, meaning the result is anywhere in the inclusive range from 9.7 to 10.3), or as a convenient shorthand for a quantity with two possible values of opposing sign and identical magnitude (as in The roots of the equation x² - 4 = 0 are ±2
).
正解を見る
plus-minus sign
The plus-minus sign is used in mathematics to indicate that a number can be either positive or negative.
正解を見る
The plus-minus sign is used in mathematics to indicate that a number can be either positive or negative.
English Dictionary
項目の編集設定
- 項目の編集権限を持つユーザー - すべてのユーザー
- 項目の新規作成を審査する
- 項目の編集を審査する
- 項目の削除を審査する
- 重複の恐れのある項目名の追加を審査する
- 項目名の変更を審査する
- 審査に対する投票権限を持つユーザー - 編集者
- 決定に必要な投票数 - 1
例文の編集設定
- 例文の編集権限を持つユーザー - すべてのユーザー
- 例文の削除を審査する
- 審査に対する投票権限を持つユーザー - 編集者
- 決定に必要な投票数 - 1
問題の編集設定
- 問題の編集権限を持つユーザー - すべてのユーザー
- 審査に対する投票権限を持つユーザー - 編集者
- 決定に必要な投票数 - 1
