2桁の数の掛け算 No.1(暗算の練習用の計算問題)
2桁の数の掛け算です。具体的には、1A×1B、2桁の数の2乗、2桁の数同士の掛け算です。暗算の練習用の計算問題です。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)14×19=
(2)68×96=
(3)51×51=
(4)15×11=
(5)51×74=
(6)44×14=
(7)37×37=
(8)57×59=
(9)45×36=
(10)19×13=
(11)62×23=
(12)22×73=
(13)32×76=
(14)92×42=
(15)19×18=
(16)56×32=
(17)83×83=
(18)42×12=
(19)97×97=
(20)42×47=
(21)87×87=
(22)46×97=
(23)74×74=
(24)67×12=
(25)65×65=
(26)59×28=
(27)94×44=
(28)18×14=
(29)61×61=
(30)34×34=
(31)11×83=
(32)58×58=
(33)15×19=
(34)13×13=
(35)24×34=
(36)11×19=
(37)12×11=
(38)58×49=
(39)12×11=
(40)96×96=
(41)69×69=
(42)13×12=
(43)75×15=
(44)83×77=
(45)68×68=
(46)19×32=
(47)46×46=
(48)22×75=
(49)18×87=
(50)52×41=
(51)89×87=
(52)72×56=
(53)14×16=
(54)11×18=
(55)75×88=
(56)36×41=
(57)71×34=
(58)12×44=
(59)94×12=
(60)86×86=
(61)48×88=
(62)53×56=
(63)12×17=
(64)14×12=
(65)93×88=
(66)27×83=
(67)59×46=
(68)18×13=
(69)19×41=
(70)32×63=
(71)62×93=
(72)12×16=
(73)78×25=
(74)85×34=
(75)31×73=
(76)36×33=
(77)98×84=
(78)36×37=
(79)94×96=
(80)13×11=
(81)22×52=
(82)42×17=
(83)13×14=
(84)79×62=
(85)56×56=
(86)64×78=
(87)29×39=
(88)17×17=
(89)38×38=
(90)18×17=
(91)22×31=
(92)37×37=
(93)39×66=
(94)33×33=
(95)11×18=
(96)99×27=
(97)54×71=
(98)13×17=
(99)13×19=
(100)71×38=
(101)19×12=
(102)32×32=
(103)37×37=
(104)38×72=
(105)12×18=
(106)17×12=
(107)75×27=
(108)93×47=
(109)98×98=
(110)12×99=
(111)12×13=
(112)32×44=
(113)71×87=
(114)56×56=
(115)15×98=
(116)15×12=
(117)93×94=
(118)16×16=
(119)19×14=
(120)83×29=
(121)15×19=
(122)16×66=
(123)89×14=
(124)88×35=
(125)73×39=
(126)52×52=
(127)25×85=
(128)84×81=
(129)12×65=
(130)17×19=
(131)35×35=
(132)29×29=
(133)23×23=
(134)72×72=
(135)22×22=
(136)69×23=
(137)16×16=
(138)69×21=
(139)75×75=
(140)86×31=
(141)78×65=
(142)19×19=
(143)28×28=
(144)18×16=
(145)12×15=
(146)76×28=
(147)38×48=
(148)16×47=
(149)31×65=
(150)17×14=
(2)68×96=
(3)51×51=
(4)15×11=
(5)51×74=
(6)44×14=
(7)37×37=
(8)57×59=
(9)45×36=
(10)19×13=
(11)62×23=
(12)22×73=
(13)32×76=
(14)92×42=
(15)19×18=
(16)56×32=
(17)83×83=
(18)42×12=
(19)97×97=
(20)42×47=
(21)87×87=
(22)46×97=
(23)74×74=
(24)67×12=
(25)65×65=
(26)59×28=
(27)94×44=
(28)18×14=
(29)61×61=
(30)34×34=
(31)11×83=
(32)58×58=
(33)15×19=
(34)13×13=
(35)24×34=
(36)11×19=
(37)12×11=
(38)58×49=
(39)12×11=
(40)96×96=
(41)69×69=
(42)13×12=
(43)75×15=
(44)83×77=
(45)68×68=
(46)19×32=
(47)46×46=
(48)22×75=
(49)18×87=
(50)52×41=
(51)89×87=
(52)72×56=
(53)14×16=
(54)11×18=
(55)75×88=
(56)36×41=
(57)71×34=
(58)12×44=
(59)94×12=
(60)86×86=
(61)48×88=
(62)53×56=
(63)12×17=
(64)14×12=
(65)93×88=
(66)27×83=
(67)59×46=
(68)18×13=
(69)19×41=
(70)32×63=
(71)62×93=
(72)12×16=
(73)78×25=
(74)85×34=
(75)31×73=
(76)36×33=
(77)98×84=
(78)36×37=
(79)94×96=
(80)13×11=
(81)22×52=
(82)42×17=
(83)13×14=
(84)79×62=
(85)56×56=
(86)64×78=
(87)29×39=
(88)17×17=
(89)38×38=
(90)18×17=
(91)22×31=
(92)37×37=
(93)39×66=
(94)33×33=
(95)11×18=
(96)99×27=
(97)54×71=
(98)13×17=
(99)13×19=
(100)71×38=
(101)19×12=
(102)32×32=
(103)37×37=
(104)38×72=
(105)12×18=
(106)17×12=
(107)75×27=
(108)93×47=
(109)98×98=
(110)12×99=
(111)12×13=
(112)32×44=
(113)71×87=
(114)56×56=
(115)15×98=
(116)15×12=
(117)93×94=
(118)16×16=
(119)19×14=
(120)83×29=
(121)15×19=
(122)16×66=
(123)89×14=
(124)88×35=
(125)73×39=
(126)52×52=
(127)25×85=
(128)84×81=
(129)12×65=
(130)17×19=
(131)35×35=
(132)29×29=
(133)23×23=
(134)72×72=
(135)22×22=
(136)69×23=
(137)16×16=
(138)69×21=
(139)75×75=
(140)86×31=
(141)78×65=
(142)19×19=
(143)28×28=
(144)18×16=
(145)12×15=
(146)76×28=
(147)38×48=
(148)16×47=
(149)31×65=
(150)17×14=
(1)266
(2)6528
(3)2601
(4)165
(5)3774
(6)616
(7)1369
(8)3363
(9)1620
(10)247
(11)1426
(12)1606
(13)2432
(14)3864
(15)342
(16)1792
(17)6889
(18)504
(19)9409
(20)1974
(21)7569
(22)4462
(23)5476
(24)804
(25)4225
(26)1652
(27)4136
(28)252
(29)3721
(30)1156
(31)913
(32)3364
(33)285
(34)169
(35)816
(36)209
(37)132
(38)2842
(39)132
(40)9216
(41)4761
(42)156
(43)1125
(44)6391
(45)4624
(46)608
(47)2116
(48)1650
(49)1566
(50)2132
(51)7743
(52)4032
(53)224
(54)198
(55)6600
(56)1476
(57)2414
(58)528
(59)1128
(60)7396
(61)4224
(62)2968
(63)204
(64)168
(65)8184
(66)2241
(67)2714
(68)234
(69)779
(70)2016
(71)5766
(72)192
(73)1950
(74)2890
(75)2263
(76)1188
(77)8232
(78)1332
(79)9024
(80)143
(81)1144
(82)714
(83)182
(84)4898
(85)3136
(86)4992
(87)1131
(88)289
(89)1444
(90)306
(91)682
(92)1369
(93)2574
(94)1089
(95)198
(96)2673
(97)3834
(98)221
(99)247
(100)2698
(101)228
(102)1024
(103)1369
(104)2736
(105)216
(106)204
(107)2025
(108)4371
(109)9604
(110)1188
(111)156
(112)1408
(113)6177
(114)3136
(115)1470
(116)180
(117)8742
(118)256
(119)266
(120)2407
(121)285
(122)1056
(123)1246
(124)3080
(125)2847
(126)2704
(127)2125
(128)6804
(129)780
(130)323
(131)1225
(132)841
(133)529
(134)5184
(135)484
(136)1587
(137)256
(138)1449
(139)5625
(140)2666
(141)5070
(142)361
(143)784
(144)288
(145)180
(146)2128
(147)1824
(148)752
(149)2015
(150)238
(2)6528
(3)2601
(4)165
(5)3774
(6)616
(7)1369
(8)3363
(9)1620
(10)247
(11)1426
(12)1606
(13)2432
(14)3864
(15)342
(16)1792
(17)6889
(18)504
(19)9409
(20)1974
(21)7569
(22)4462
(23)5476
(24)804
(25)4225
(26)1652
(27)4136
(28)252
(29)3721
(30)1156
(31)913
(32)3364
(33)285
(34)169
(35)816
(36)209
(37)132
(38)2842
(39)132
(40)9216
(41)4761
(42)156
(43)1125
(44)6391
(45)4624
(46)608
(47)2116
(48)1650
(49)1566
(50)2132
(51)7743
(52)4032
(53)224
(54)198
(55)6600
(56)1476
(57)2414
(58)528
(59)1128
(60)7396
(61)4224
(62)2968
(63)204
(64)168
(65)8184
(66)2241
(67)2714
(68)234
(69)779
(70)2016
(71)5766
(72)192
(73)1950
(74)2890
(75)2263
(76)1188
(77)8232
(78)1332
(79)9024
(80)143
(81)1144
(82)714
(83)182
(84)4898
(85)3136
(86)4992
(87)1131
(88)289
(89)1444
(90)306
(91)682
(92)1369
(93)2574
(94)1089
(95)198
(96)2673
(97)3834
(98)221
(99)247
(100)2698
(101)228
(102)1024
(103)1369
(104)2736
(105)216
(106)204
(107)2025
(108)4371
(109)9604
(110)1188
(111)156
(112)1408
(113)6177
(114)3136
(115)1470
(116)180
(117)8742
(118)256
(119)266
(120)2407
(121)285
(122)1056
(123)1246
(124)3080
(125)2847
(126)2704
(127)2125
(128)6804
(129)780
(130)323
(131)1225
(132)841
(133)529
(134)5184
(135)484
(136)1587
(137)256
(138)1449
(139)5625
(140)2666
(141)5070
(142)361
(143)784
(144)288
(145)180
(146)2128
(147)1824
(148)752
(149)2015
(150)238