0.25=1/4、0.125=1/8などを利用する割り算 No.1(暗算の練習用の計算問題)
以下を利用して計算を簡単にする割り算です。
・0.25=1/4、0.75=3/4
・0.125=1/8、0.375=3/8、0.625=5/8、0.875=7/8
なお、暗算の具体的な方法は、中学入試計算名人免許皆伝、インド式 超速★計算術、子供のインド式「かんたん」計算ドリルなどの書籍をご覧になってください(インド式はすべてを取り入れず、2桁の掛け算のみ取り入れるなどとするといいでしょう)。
※印刷してご利用ください。紙を半分あたりで折ると解答を隠せます。
※商用利用も可能です(連絡不要です)。
※プログラムで作成しています。間違いがあればお知らせしていだければ幸いです。
(1)79÷0.25=
(2)581÷0.875=
(3)371÷0.875=
(4)291÷0.375=
(5)183÷0.75=
(6)141÷0.375=
(7)111÷0.75=
(8)47÷0.25=
(9)183÷0.75=
(10)413÷0.875=
(11)145÷0.625=
(12)329÷0.875=
(13)291÷0.375=
(14)71÷0.125=
(15)395÷0.625=
(16)395÷0.625=
(17)13÷0.125=
(18)219÷0.375=
(19)185÷0.625=
(20)83÷0.25=
(21)17÷0.125=
(22)13÷0.125=
(23)123÷0.375=
(24)237÷0.375=
(25)89÷0.125=
(26)19÷0.25=
(27)301÷0.875=
(28)161÷0.875=
(29)469÷0.875=
(30)235÷0.625=
(31)201÷0.375=
(32)205÷0.625=
(33)267÷0.75=
(34)365÷0.625=
(35)213÷0.375=
(36)219÷0.75=
(37)335÷0.625=
(38)31÷0.125=
(39)85÷0.625=
(40)37÷0.25=
(41)205÷0.625=
(42)219÷0.75=
(43)67÷0.25=
(44)57÷0.75=
(45)17÷0.125=
(46)111÷0.375=
(47)83÷0.125=
(48)291÷0.75=
(49)59÷0.125=
(50)237÷0.75=
(51)237÷0.75=
(52)83÷0.25=
(53)623÷0.875=
(54)249÷0.75=
(55)17÷0.25=
(56)159÷0.75=
(57)73÷0.25=
(58)469÷0.875=
(59)57÷0.75=
(60)57÷0.375=
(61)365÷0.625=
(62)71÷0.25=
(63)213÷0.75=
(64)17÷0.25=
(65)61÷0.25=
(66)141÷0.375=
(67)19÷0.125=
(68)267÷0.75=
(69)219÷0.375=
(70)469÷0.875=
(71)13÷0.125=
(72)235÷0.625=
(73)61÷0.25=
(74)485÷0.625=
(75)235÷0.625=
(76)97÷0.125=
(77)141÷0.375=
(78)141÷0.375=
(79)215÷0.625=
(80)237÷0.375=
(81)413÷0.875=
(82)51÷0.375=
(83)65÷0.625=
(84)159÷0.375=
(85)291÷0.375=
(86)485÷0.625=
(87)53÷0.25=
(88)219÷0.375=
(89)291÷0.375=
(90)31÷0.125=
(91)177÷0.375=
(92)67÷0.125=
(93)83÷0.25=
(94)265÷0.625=
(95)497÷0.875=
(96)177÷0.75=
(97)53÷0.25=
(98)623÷0.875=
(99)123÷0.75=
(100)17÷0.125=
(101)85÷0.625=
(102)235÷0.625=
(103)47÷0.125=
(104)445÷0.625=
(105)67÷0.25=
(106)355÷0.625=
(107)155÷0.625=
(108)213÷0.75=
(109)679÷0.875=
(110)365÷0.625=
(111)17÷0.125=
(112)31÷0.25=
(113)201÷0.75=
(114)39÷0.375=
(115)73÷0.125=
(116)213÷0.75=
(117)177÷0.375=
(118)217÷0.875=
(119)215÷0.625=
(120)445÷0.625=
(121)83÷0.25=
(122)445÷0.625=
(123)469÷0.875=
(124)469÷0.875=
(125)183÷0.75=
(126)97÷0.125=
(127)205÷0.625=
(128)85÷0.625=
(129)205÷0.625=
(130)335÷0.625=
(131)13÷0.25=
(132)65÷0.625=
(133)265÷0.625=
(134)623÷0.875=
(135)69÷0.375=
(136)305÷0.625=
(137)265÷0.625=
(138)71÷0.125=
(139)47÷0.25=
(140)237÷0.375=
(141)159÷0.75=
(142)47÷0.25=
(143)235÷0.625=
(144)219÷0.375=
(145)57÷0.75=
(146)53÷0.25=
(147)71÷0.125=
(148)95÷0.625=
(149)301÷0.875=
(150)57÷0.375=
(2)581÷0.875=
(3)371÷0.875=
(4)291÷0.375=
(5)183÷0.75=
(6)141÷0.375=
(7)111÷0.75=
(8)47÷0.25=
(9)183÷0.75=
(10)413÷0.875=
(11)145÷0.625=
(12)329÷0.875=
(13)291÷0.375=
(14)71÷0.125=
(15)395÷0.625=
(16)395÷0.625=
(17)13÷0.125=
(18)219÷0.375=
(19)185÷0.625=
(20)83÷0.25=
(21)17÷0.125=
(22)13÷0.125=
(23)123÷0.375=
(24)237÷0.375=
(25)89÷0.125=
(26)19÷0.25=
(27)301÷0.875=
(28)161÷0.875=
(29)469÷0.875=
(30)235÷0.625=
(31)201÷0.375=
(32)205÷0.625=
(33)267÷0.75=
(34)365÷0.625=
(35)213÷0.375=
(36)219÷0.75=
(37)335÷0.625=
(38)31÷0.125=
(39)85÷0.625=
(40)37÷0.25=
(41)205÷0.625=
(42)219÷0.75=
(43)67÷0.25=
(44)57÷0.75=
(45)17÷0.125=
(46)111÷0.375=
(47)83÷0.125=
(48)291÷0.75=
(49)59÷0.125=
(50)237÷0.75=
(51)237÷0.75=
(52)83÷0.25=
(53)623÷0.875=
(54)249÷0.75=
(55)17÷0.25=
(56)159÷0.75=
(57)73÷0.25=
(58)469÷0.875=
(59)57÷0.75=
(60)57÷0.375=
(61)365÷0.625=
(62)71÷0.25=
(63)213÷0.75=
(64)17÷0.25=
(65)61÷0.25=
(66)141÷0.375=
(67)19÷0.125=
(68)267÷0.75=
(69)219÷0.375=
(70)469÷0.875=
(71)13÷0.125=
(72)235÷0.625=
(73)61÷0.25=
(74)485÷0.625=
(75)235÷0.625=
(76)97÷0.125=
(77)141÷0.375=
(78)141÷0.375=
(79)215÷0.625=
(80)237÷0.375=
(81)413÷0.875=
(82)51÷0.375=
(83)65÷0.625=
(84)159÷0.375=
(85)291÷0.375=
(86)485÷0.625=
(87)53÷0.25=
(88)219÷0.375=
(89)291÷0.375=
(90)31÷0.125=
(91)177÷0.375=
(92)67÷0.125=
(93)83÷0.25=
(94)265÷0.625=
(95)497÷0.875=
(96)177÷0.75=
(97)53÷0.25=
(98)623÷0.875=
(99)123÷0.75=
(100)17÷0.125=
(101)85÷0.625=
(102)235÷0.625=
(103)47÷0.125=
(104)445÷0.625=
(105)67÷0.25=
(106)355÷0.625=
(107)155÷0.625=
(108)213÷0.75=
(109)679÷0.875=
(110)365÷0.625=
(111)17÷0.125=
(112)31÷0.25=
(113)201÷0.75=
(114)39÷0.375=
(115)73÷0.125=
(116)213÷0.75=
(117)177÷0.375=
(118)217÷0.875=
(119)215÷0.625=
(120)445÷0.625=
(121)83÷0.25=
(122)445÷0.625=
(123)469÷0.875=
(124)469÷0.875=
(125)183÷0.75=
(126)97÷0.125=
(127)205÷0.625=
(128)85÷0.625=
(129)205÷0.625=
(130)335÷0.625=
(131)13÷0.25=
(132)65÷0.625=
(133)265÷0.625=
(134)623÷0.875=
(135)69÷0.375=
(136)305÷0.625=
(137)265÷0.625=
(138)71÷0.125=
(139)47÷0.25=
(140)237÷0.375=
(141)159÷0.75=
(142)47÷0.25=
(143)235÷0.625=
(144)219÷0.375=
(145)57÷0.75=
(146)53÷0.25=
(147)71÷0.125=
(148)95÷0.625=
(149)301÷0.875=
(150)57÷0.375=
(1)316
(2)664
(3)424
(4)776
(5)244
(6)376
(7)148
(8)188
(9)244
(10)472
(11)232
(12)376
(13)776
(14)568
(15)632
(16)632
(17)104
(18)584
(19)296
(20)332
(21)136
(22)104
(23)328
(24)632
(25)712
(26)76
(27)344
(28)184
(29)536
(30)376
(31)536
(32)328
(33)356
(34)584
(35)568
(36)292
(37)536
(38)248
(39)136
(40)148
(41)328
(42)292
(43)268
(44)76
(45)136
(46)296
(47)664
(48)388
(49)472
(50)316
(51)316
(52)332
(53)712
(54)332
(55)68
(56)212
(57)292
(58)536
(59)76
(60)152
(61)584
(62)284
(63)284
(64)68
(65)244
(66)376
(67)152
(68)356
(69)584
(70)536
(71)104
(72)376
(73)244
(74)776
(75)376
(76)776
(77)376
(78)376
(79)344
(80)632
(81)472
(82)136
(83)104
(84)424
(85)776
(86)776
(87)212
(88)584
(89)776
(90)248
(91)472
(92)536
(93)332
(94)424
(95)568
(96)236
(97)212
(98)712
(99)164
(100)136
(101)136
(102)376
(103)376
(104)712
(105)268
(106)568
(107)248
(108)284
(109)776
(110)584
(111)136
(112)124
(113)268
(114)104
(115)584
(116)284
(117)472
(118)248
(119)344
(120)712
(121)332
(122)712
(123)536
(124)536
(125)244
(126)776
(127)328
(128)136
(129)328
(130)536
(131)52
(132)104
(133)424
(134)712
(135)184
(136)488
(137)424
(138)568
(139)188
(140)632
(141)212
(142)188
(143)376
(144)584
(145)76
(146)212
(147)568
(148)152
(149)344
(150)152
(2)664
(3)424
(4)776
(5)244
(6)376
(7)148
(8)188
(9)244
(10)472
(11)232
(12)376
(13)776
(14)568
(15)632
(16)632
(17)104
(18)584
(19)296
(20)332
(21)136
(22)104
(23)328
(24)632
(25)712
(26)76
(27)344
(28)184
(29)536
(30)376
(31)536
(32)328
(33)356
(34)584
(35)568
(36)292
(37)536
(38)248
(39)136
(40)148
(41)328
(42)292
(43)268
(44)76
(45)136
(46)296
(47)664
(48)388
(49)472
(50)316
(51)316
(52)332
(53)712
(54)332
(55)68
(56)212
(57)292
(58)536
(59)76
(60)152
(61)584
(62)284
(63)284
(64)68
(65)244
(66)376
(67)152
(68)356
(69)584
(70)536
(71)104
(72)376
(73)244
(74)776
(75)376
(76)776
(77)376
(78)376
(79)344
(80)632
(81)472
(82)136
(83)104
(84)424
(85)776
(86)776
(87)212
(88)584
(89)776
(90)248
(91)472
(92)536
(93)332
(94)424
(95)568
(96)236
(97)212
(98)712
(99)164
(100)136
(101)136
(102)376
(103)376
(104)712
(105)268
(106)568
(107)248
(108)284
(109)776
(110)584
(111)136
(112)124
(113)268
(114)104
(115)584
(116)284
(117)472
(118)248
(119)344
(120)712
(121)332
(122)712
(123)536
(124)536
(125)244
(126)776
(127)328
(128)136
(129)328
(130)536
(131)52
(132)104
(133)424
(134)712
(135)184
(136)488
(137)424
(138)568
(139)188
(140)632
(141)212
(142)188
(143)376
(144)584
(145)76
(146)212
(147)568
(148)152
(149)344
(150)152