2桁の数の掛け算 No.3(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)27×48=
(2)12×27=
(3)94×98=
(4)53×53=
(5)73×77=
(6)15×11=
(7)75×83=
(8)84×14=
(9)49×33=
(10)13×45=
(11)77×77=
(12)34×44=
(13)75×75=
(14)37×74=
(15)25×81=
(16)33×79=
(17)94×68=
(18)66×74=
(19)85×92=
(20)69×69=
(21)69×76=
(22)22×38=
(23)21×21=
(24)58×58=
(25)35×21=
(26)71×71=
(27)19×14=
(28)61×18=
(29)19×17=
(30)43×76=
(31)55×55=
(32)14×18=
(33)99×99=
(34)36×78=
(35)22×37=
(36)99×99=
(37)25×85=
(38)99×79=
(39)48×48=
(40)26×26=
(41)85×63=
(42)64×77=
(43)24×23=
(44)16×12=
(45)37×93=
(46)75×75=
(47)71×55=
(48)65×91=
(49)14×62=
(50)65×29=
(51)95×95=
(52)85×93=
(53)82×75=
(54)89×51=
(55)52×57=
(56)74×74=
(57)17×15=
(58)94×94=
(59)36×36=
(60)65×49=
(61)25×11=
(62)63×12=
(63)66×66=
(64)14×19=
(65)96×45=
(66)61×49=
(67)93×93=
(68)16×19=
(69)41×61=
(70)11×19=
(71)59×59=
(72)95×53=
(73)85×85=
(74)17×16=
(75)14×19=
(76)17×12=
(77)11×17=
(78)19×46=
(79)15×86=
(80)45×45=
(81)67×67=
(82)91×91=
(83)89×31=
(84)66×66=
(85)13×13=
(86)69×55=
(87)13×15=
(88)57×11=
(89)27×24=
(90)34×34=
(91)33×49=
(92)16×16=
(93)39×39=
(94)36×59=
(95)13×14=
(96)18×13=
(97)16×15=
(98)76×93=
(99)59×33=
(100)17×18=
(101)67×62=
(102)23×23=
(103)28×19=
(104)73×75=
(105)13×16=
(106)21×16=
(107)31×73=
(108)68×74=
(109)47×87=
(110)72×99=
(111)95×48=
(112)51×83=
(113)13×12=
(114)72×66=
(115)12×15=
(116)86×51=
(117)19×11=
(118)68×68=
(119)15×19=
(120)58×82=
(121)89×89=
(122)74×52=
(123)66×38=
(124)18×14=
(125)73×84=
(126)27×98=
(127)67×57=
(128)19×96=
(129)53×63=
(130)49×74=
(131)57×57=
(132)13×12=
(133)49×49=
(134)13×15=
(135)68×68=
(136)55×55=
(137)47×41=
(138)13×15=
(139)19×11=
(140)78×84=
(141)15×19=
(142)16×13=
(143)92×71=
(144)17×11=
(145)88×33=
(146)72×72=
(147)88×32=
(148)47×53=
(149)51×23=
(150)51×84=
(2)12×27=
(3)94×98=
(4)53×53=
(5)73×77=
(6)15×11=
(7)75×83=
(8)84×14=
(9)49×33=
(10)13×45=
(11)77×77=
(12)34×44=
(13)75×75=
(14)37×74=
(15)25×81=
(16)33×79=
(17)94×68=
(18)66×74=
(19)85×92=
(20)69×69=
(21)69×76=
(22)22×38=
(23)21×21=
(24)58×58=
(25)35×21=
(26)71×71=
(27)19×14=
(28)61×18=
(29)19×17=
(30)43×76=
(31)55×55=
(32)14×18=
(33)99×99=
(34)36×78=
(35)22×37=
(36)99×99=
(37)25×85=
(38)99×79=
(39)48×48=
(40)26×26=
(41)85×63=
(42)64×77=
(43)24×23=
(44)16×12=
(45)37×93=
(46)75×75=
(47)71×55=
(48)65×91=
(49)14×62=
(50)65×29=
(51)95×95=
(52)85×93=
(53)82×75=
(54)89×51=
(55)52×57=
(56)74×74=
(57)17×15=
(58)94×94=
(59)36×36=
(60)65×49=
(61)25×11=
(62)63×12=
(63)66×66=
(64)14×19=
(65)96×45=
(66)61×49=
(67)93×93=
(68)16×19=
(69)41×61=
(70)11×19=
(71)59×59=
(72)95×53=
(73)85×85=
(74)17×16=
(75)14×19=
(76)17×12=
(77)11×17=
(78)19×46=
(79)15×86=
(80)45×45=
(81)67×67=
(82)91×91=
(83)89×31=
(84)66×66=
(85)13×13=
(86)69×55=
(87)13×15=
(88)57×11=
(89)27×24=
(90)34×34=
(91)33×49=
(92)16×16=
(93)39×39=
(94)36×59=
(95)13×14=
(96)18×13=
(97)16×15=
(98)76×93=
(99)59×33=
(100)17×18=
(101)67×62=
(102)23×23=
(103)28×19=
(104)73×75=
(105)13×16=
(106)21×16=
(107)31×73=
(108)68×74=
(109)47×87=
(110)72×99=
(111)95×48=
(112)51×83=
(113)13×12=
(114)72×66=
(115)12×15=
(116)86×51=
(117)19×11=
(118)68×68=
(119)15×19=
(120)58×82=
(121)89×89=
(122)74×52=
(123)66×38=
(124)18×14=
(125)73×84=
(126)27×98=
(127)67×57=
(128)19×96=
(129)53×63=
(130)49×74=
(131)57×57=
(132)13×12=
(133)49×49=
(134)13×15=
(135)68×68=
(136)55×55=
(137)47×41=
(138)13×15=
(139)19×11=
(140)78×84=
(141)15×19=
(142)16×13=
(143)92×71=
(144)17×11=
(145)88×33=
(146)72×72=
(147)88×32=
(148)47×53=
(149)51×23=
(150)51×84=
(1)1296
(2)324
(3)9212
(4)2809
(5)5621
(6)165
(7)6225
(8)1176
(9)1617
(10)585
(11)5929
(12)1496
(13)5625
(14)2738
(15)2025
(16)2607
(17)6392
(18)4884
(19)7820
(20)4761
(21)5244
(22)836
(23)441
(24)3364
(25)735
(26)5041
(27)266
(28)1098
(29)323
(30)3268
(31)3025
(32)252
(33)9801
(34)2808
(35)814
(36)9801
(37)2125
(38)7821
(39)2304
(40)676
(41)5355
(42)4928
(43)552
(44)192
(45)3441
(46)5625
(47)3905
(48)5915
(49)868
(50)1885
(51)9025
(52)7905
(53)6150
(54)4539
(55)2964
(56)5476
(57)255
(58)8836
(59)1296
(60)3185
(61)275
(62)756
(63)4356
(64)266
(65)4320
(66)2989
(67)8649
(68)304
(69)2501
(70)209
(71)3481
(72)5035
(73)7225
(74)272
(75)266
(76)204
(77)187
(78)874
(79)1290
(80)2025
(81)4489
(82)8281
(83)2759
(84)4356
(85)169
(86)3795
(87)195
(88)627
(89)648
(90)1156
(91)1617
(92)256
(93)1521
(94)2124
(95)182
(96)234
(97)240
(98)7068
(99)1947
(100)306
(101)4154
(102)529
(103)532
(104)5475
(105)208
(106)336
(107)2263
(108)5032
(109)4089
(110)7128
(111)4560
(112)4233
(113)156
(114)4752
(115)180
(116)4386
(117)209
(118)4624
(119)285
(120)4756
(121)7921
(122)3848
(123)2508
(124)252
(125)6132
(126)2646
(127)3819
(128)1824
(129)3339
(130)3626
(131)3249
(132)156
(133)2401
(134)195
(135)4624
(136)3025
(137)1927
(138)195
(139)209
(140)6552
(141)285
(142)208
(143)6532
(144)187
(145)2904
(146)5184
(147)2816
(148)2491
(149)1173
(150)4284
(2)324
(3)9212
(4)2809
(5)5621
(6)165
(7)6225
(8)1176
(9)1617
(10)585
(11)5929
(12)1496
(13)5625
(14)2738
(15)2025
(16)2607
(17)6392
(18)4884
(19)7820
(20)4761
(21)5244
(22)836
(23)441
(24)3364
(25)735
(26)5041
(27)266
(28)1098
(29)323
(30)3268
(31)3025
(32)252
(33)9801
(34)2808
(35)814
(36)9801
(37)2125
(38)7821
(39)2304
(40)676
(41)5355
(42)4928
(43)552
(44)192
(45)3441
(46)5625
(47)3905
(48)5915
(49)868
(50)1885
(51)9025
(52)7905
(53)6150
(54)4539
(55)2964
(56)5476
(57)255
(58)8836
(59)1296
(60)3185
(61)275
(62)756
(63)4356
(64)266
(65)4320
(66)2989
(67)8649
(68)304
(69)2501
(70)209
(71)3481
(72)5035
(73)7225
(74)272
(75)266
(76)204
(77)187
(78)874
(79)1290
(80)2025
(81)4489
(82)8281
(83)2759
(84)4356
(85)169
(86)3795
(87)195
(88)627
(89)648
(90)1156
(91)1617
(92)256
(93)1521
(94)2124
(95)182
(96)234
(97)240
(98)7068
(99)1947
(100)306
(101)4154
(102)529
(103)532
(104)5475
(105)208
(106)336
(107)2263
(108)5032
(109)4089
(110)7128
(111)4560
(112)4233
(113)156
(114)4752
(115)180
(116)4386
(117)209
(118)4624
(119)285
(120)4756
(121)7921
(122)3848
(123)2508
(124)252
(125)6132
(126)2646
(127)3819
(128)1824
(129)3339
(130)3626
(131)3249
(132)156
(133)2401
(134)195
(135)4624
(136)3025
(137)1927
(138)195
(139)209
(140)6552
(141)285
(142)208
(143)6532
(144)187
(145)2904
(146)5184
(147)2816
(148)2491
(149)1173
(150)4284