出典: フリー教科書『ウィキブックス(Wikibooks)』
初等数学演習>算数演習 小学校6年生
次の計算をしてみましょう。
(1)
![{\displaystyle {\frac {1}{5}}\times 3}](https://wikimedia.org/api/rest_v1/media/math/render/svg/47c79e4682465ff1cbc4e9b7e78baf2e45cc58e7)
(2)
![{\displaystyle {\frac {2}{3}}\times 4}](https://wikimedia.org/api/rest_v1/media/math/render/svg/e50a496ee8b420f15ed67038b8656b1ea1e6d4c9)
(3)
![{\displaystyle {\frac {2}{7}}\times 4}](https://wikimedia.org/api/rest_v1/media/math/render/svg/c0e5747dca644167223b3e906f0b986f47f65400)
(4)
![{\displaystyle {\frac {2}{9}}\times 5}](https://wikimedia.org/api/rest_v1/media/math/render/svg/3a5e664fb72c833921deea9656f1488101de498b)
(5)
![{\displaystyle {\frac {5}{6}}\times 7}](https://wikimedia.org/api/rest_v1/media/math/render/svg/04ace28d1a68278b14d36b6f8db09c824bf16d0d)
(6)
![{\displaystyle {\frac {3}{8}}\times 4}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a92556c9c0737a83bb3ddd68f131678647039946)
(7)
![{\displaystyle {\frac {4}{9}}\times 3}](https://wikimedia.org/api/rest_v1/media/math/render/svg/cdce0f798995391683379b4ae0c189cb803f0566)
(8)
![{\displaystyle {\frac {7}{6}}\times 3}](https://wikimedia.org/api/rest_v1/media/math/render/svg/c4ab155bc47ecba18b53211e17d97281e83fdabe)
(9)
![{\displaystyle {\frac {3}{8}}\times 12}](https://wikimedia.org/api/rest_v1/media/math/render/svg/26b21b8433c6d9945dbcbc77a0c2bf6b4cd0ae2e)
(10)
![{\displaystyle {\frac {5}{7}}\times 21}](https://wikimedia.org/api/rest_v1/media/math/render/svg/320bbf4bf169218b2d836ac43a77616b915a3bcd)
(11)
![{\displaystyle {\frac {4}{5}}\div 3}](https://wikimedia.org/api/rest_v1/media/math/render/svg/4848d2da2961c35e3004ea0b718746992c56c94b)
(12)
![{\displaystyle {\frac {2}{5}}\div 5}](https://wikimedia.org/api/rest_v1/media/math/render/svg/43894f7dae904031a788202607d3b262eca274d8)
(13)
![{\displaystyle {\frac {3}{4}}\div 8}](https://wikimedia.org/api/rest_v1/media/math/render/svg/c2cf9e4da8a820031c85047b0827cd03e1838500)
(14)
![{\displaystyle {\frac {7}{8}}\div 4}](https://wikimedia.org/api/rest_v1/media/math/render/svg/f5572f1634457b0f886c81a53e84a317ffd64162)
(15)
![{\displaystyle {\frac {5}{6}}\div 2}](https://wikimedia.org/api/rest_v1/media/math/render/svg/c1279f7aed0d0f4d91a5785356111ec4a128e2ab)
(16)
![{\displaystyle {\frac {4}{5}}\div 2}](https://wikimedia.org/api/rest_v1/media/math/render/svg/915cfad7c5754c60281cdf9067bb7b324735422c)
(17)
![{\displaystyle {\frac {5}{6}}\div 10}](https://wikimedia.org/api/rest_v1/media/math/render/svg/6baf7822554a5a4d9a004dfdfe32b0737d90546c)
(18)
![{\displaystyle {\frac {3}{2}}\div 6}](https://wikimedia.org/api/rest_v1/media/math/render/svg/28b47b136d174abc72a2d72010984d4f91859a8b)
(19)
![{\displaystyle {\frac {4}{3}}\div 8}](https://wikimedia.org/api/rest_v1/media/math/render/svg/236bea41e29af05727a89044b58eb59c036092e1)
(20)
![{\displaystyle {\frac {9}{4}}\div 6}](https://wikimedia.org/api/rest_v1/media/math/render/svg/36da3da26454e259da851fafd4bef0308265d210)
次の計算をしましょう。
(1)
![{\displaystyle {\frac {7}{8}}\times {\frac {3}{4}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/c482ff3c3d689893c3e34da4ba32e9aae8c77661)
(2)
![{\displaystyle {\frac {4}{5}}\times {\frac {2}{7}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/2987ed2efadcc3457e6cac4251b5bd2c3b7463bd)
(3)
![{\displaystyle {\frac {5}{6}}\times {\frac {5}{3}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/afb407265c36b83cd32602022227e4942224615d)
(4)
![{\displaystyle {\frac {4}{9}}\times {\frac {4}{3}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/3fb1c12d4e898e45e8bc967456c52a3ac2d9b0dd)
(5)
![{\displaystyle {\frac {7}{4}}\times {\frac {3}{5}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/bb7c6862a8b8499aa1a1efd450ecc5163cd16490)
(6)
![{\displaystyle {\frac {7}{9}}\times {\frac {5}{8}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/9d037a0517fc4f9cb9d9f452b301e8b10214b724)
(7)
![{\displaystyle {\frac {3}{5}}\times {\frac {1}{7}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/c1107abed04f72f81bd0709d21213dd873894f4f)
(8)
![{\displaystyle {\frac {5}{8}}\times {\frac {5}{6}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/f2d0164acab26e964943b8f369d440a9d0fdb0f2)
(9)
![{\displaystyle {\frac {3}{7}}\times {\frac {2}{5}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/71f415bf494e6755f1eae557b13411f6bb673eb2)
(10)
![{\displaystyle {\frac {6}{7}}\times {\frac {1}{4}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/f30d53036f799e56b094d2e0be3ee0c1c2790891)
(11)
![{\displaystyle {\frac {3}{14}}\times {\frac {7}{5}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/62afc966f5399fc67282ea7fd4d47437ac96ffb7)
(12)
![{\displaystyle {\frac {3}{8}}\times {\frac {7}{12}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/d3e1abee5ea112d559accd747639181d6f97966e)
(13)
![{\displaystyle {\frac {8}{9}}\times {\frac {3}{7}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/df2bfd6122d1a16080b098f83fd909df3f394b70)
(14)
![{\displaystyle {\frac {3}{2}}\times {\frac {4}{9}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/397033ab07b87a97d7d75a61cff2ebdae5efe5c8)
(15)
![{\displaystyle {\frac {5}{12}}\times {\frac {9}{10}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/b98dc0624969c8a103555e50dfc5496322737782)
(16)
![{\displaystyle {\frac {5}{9}}\times {\frac {3}{5}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/f3f9a3416fcd2f786f964d84e32293fa02505560)
(17)
![{\displaystyle 5\times {\frac {3}{8}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/e4bf442c183d551a2e1ebab9535318ed2c94f10a)
(18)
![{\displaystyle 3\times {\frac {2}{7}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/2def639e062cbcef4f1d04c1bca0d5eae3678722)
(19)
![{\displaystyle 12\times {\frac {10}{9}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/70ea206cc5dd8c2de968ca0fa63bf8e048515ca9)
(20)
![{\displaystyle 10\times {\frac {4}{5}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/3d3ca432d704db9f00b7afd9ab97fb11c1a656b5)
次の計算をしましょう。
(1)
![{\displaystyle {\frac {5}{8}}\div {\frac {6}{7}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/3ece487ef48dc1c3fb4dd789ff0f7aa5d4b5e38f)
(2)
![{\displaystyle {\frac {3}{5}}\div {\frac {5}{6}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/066aac2e5bed6a388cc7c827b1684ec7f1d4d986)
(3)
![{\displaystyle {\frac {8}{9}}\div {\frac {5}{4}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/8f95e9185130d52a3775f217315dc7c194e4fce5)
(4)
![{\displaystyle {\frac {1}{7}}\div {\frac {6}{5}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/d6e57719a5b97b83a11dfa3c5468149810d607e3)
(5)
![{\displaystyle {\frac {5}{4}}\div {\frac {8}{7}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/0552747be7633ef02687a273072854d6a489798d)
(6)
![{\displaystyle {\frac {3}{2}}\div {\frac {1}{3}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/5eba699f3c2de53efd642810ce2912ba8639e278)
(7)
![{\displaystyle {\frac {2}{9}}\div {\frac {3}{8}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/50cd1254592b070dc1db62897068d38fef961948)
(8)
![{\displaystyle {\frac {6}{7}}\div {\frac {3}{5}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/2787380dd0d135418055ba6ae3ba2bf680e38a07)
(9)
![{\displaystyle {\frac {9}{10}}\div {\frac {7}{5}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/f0a2ad97a38d0469a68fc7ed1f7fb411e8c415a9)
(10)
![{\displaystyle {\frac {2}{7}}\div {\frac {4}{9}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/eefb5a8a1884f6378e58a1644d57b9f86008651c)
(11)
![{\displaystyle {\frac {12}{5}}\div {\frac {8}{15}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/5b3730f8fe07c5e740939c66112ed8fcf6a113a0)
(12)
![{\displaystyle {\frac {3}{8}}\div {\frac {9}{14}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/d62babd0d526f669941007ee9719454dbfc9ff0e)
(13)
![{\displaystyle {\frac {2}{3}}\div {\frac {8}{9}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/65bdb1138b6f0ec93ab03a514534017fbbd44291)
(14)
![{\displaystyle 6\div {\frac {5}{7}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/7e5768038be84fc61794abeb05995fc08871ec29)
(15)
![{\displaystyle 15\div {\frac {10}{7}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/2d36fdd3fc9263ed7c0272016a31c12d1b41c89e)
(16)
![{\displaystyle 4\div {\frac {2}{9}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/679b1981c4aca9e34db477e00f73f7c5504af8c6)
(17)
![{\displaystyle {\frac {2}{3}}\times {\frac {1}{6}}\div {\frac {7}{9}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/b019ef0ea5fb8fcf80f3ca10be6305029e7ba5cc)
(18)
![{\displaystyle {\frac {3}{4}}\div {\frac {6}{5}}\times {\frac {1}{5}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/b910bb784e14ff375f486af5f27e22f6af075600)
(19)
![{\displaystyle {\frac {16}{7}}\div 9\times {\frac {3}{8}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/4a756f34907e3fd274788d6abf89cac893f35ded)
(20)
![{\displaystyle {\frac {2}{9}}\div {\frac {4}{7}}\div {\frac {5}{6}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/679ebe4cee8fe2a9409b5ab723a7140bb6c8ace5)
答え