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直接写出得数。
$42×40=
$10×12=
$81×60=
$56×70=
$48×90=
$10×44=
$70×41=
$20×71=
$24×20=
$40×63=
$10×96=
$60×91=
$12×20=
$70×35=
$60×72=
$67×60=
$62×80=
$41×60=
$15×80=
$90×57=
$80×58=
$20×56=
$60×46=
$80×93=
$90×95=
$11×71=
$47×62=
$74×24=
$52×74=
$69×28=
$68×16=
$86×93=
$21×84=
$74×35=
$53×69=
$25×85=
$16×24=
$23×52=
$18×91=
$62×58=
$96×68=
$75×99=
$36×44=
$37×66=
$25×97=
$16×29=
$22×94=
$68×31=
$74×48=
$11×94=
$78×88=
$25×47=
$42×40=
1680
$ $46×664=30544
$ $15×18×4=1080
$$10×12=
120
$ $490×32=15680
$ $32×29×3=2784
$$81×60=
4860
$ $658×44=28952
$ $39×39×3=4563
$$56×70=
3920
$ $16×816=13056
$ $33×15×7=3465
$$48×90=
4320
$ $969×14=13566
$ $27×43×3=3483
$$10×44=
440
$ $38×279=10602
$ $45×22×4=3960
$$70×41=
2870
$ $422×14=5908
$ $80×24×3=5760
$$20×71=
1420
$ $404×58=23432
$ $74×18×2=2664
$$24×20=
480
$ $315×25=7875
$ $68×29×8=15776
$$40×63=
2520
$ $84×628=52752
$ $20×27×2=1080
$$10×96=
960
$ $41×492=20172
$ $59×17×6=6018
$$60×91=
5460
$ $432×63=27216
$ $58×13×9=6786
$$12×20=
240
$ $96×422=40512
$ $28×47×4=5264
$$70×35=
2450
$ $310×23=7130
$ $77×14×2=2156
$$60×72=
4320
$ $70×864=60480
$ $80×29×3=6960
$$67×60=
4020
$ $132×64=8448
$ $35×38×9=11970
$$62×80=
4960
$ $63×501=31563
$ $32×35×4=4480
$$41×60=
2460
$ $61×370=22570
$ $88×42×3=11088
$$15×80=
1200
$ $398×76=30248
$ $73×28×4=8176
$$90×57=
5130
$ $13×951=12363
$ $48×45×8=17280
$$80×58=
4640
$ $79×766=60514
$ $77×23×8=14168
$$20×56=
1120
$ $45×330=14850
$ $16×18×5=1440
$$60×46=
2760
$ $58×945=54810
$ $31×26×7=5642
$$80×93=
7440
$ $91×201=18291
$ $98×38×5=18620
$$90×95=
8550
$ $847×89=75383
$ $40×39×3=4680
$$11×71=
781
$ $8.6+8.5=17.1
$ $78×29×5=11310
$$47×62=
2914
$ $3.4+9.5=12.9
$ $14×34×4=1904
$$74×24=
1776
$ $8.5-4.4=4.1
$ $56×46×2=5152
$$52×74=
3848
$ $11+18.5=29.5
$ $25×45×3=3375
$$69×28=
1932
$ $38.5-28=10.5
$ $91×33×6=18018
$$68×16=
1088
$ $10.4-7.4=3
$ $41×24×7=6888
$$86×93=
7998
$ $37.2-4.3=32.9
$ $49×22×8=8624
$$21×84=
1764
$ $49.6-3.8=45.8
$ $88×12×9=9504
$$74×35=
2590
$ $48.6-11.6=37
$ $50×35×3=5250
$$53×69=
3657
$ $46.4-43.5=2.9
$ $54×42×6=13608
$$25×85=
2125
$ $45.7-29.1=16.6
$ $93×24×2=4464
$$16×24=
384
$ $24.4-21.1=3.3
$ $85×40×5=17000
$$23×52=
1196
$ $46.5-43.5=3
$ $32×20×2=1280
$$18×91=
1638
$ $30.4-27.3=3.1
$ $77×20×5=7700
$$62×58=
3596
$ $29.4-26.4=3
$ $32×25÷5=160
$$96×68=
6528
$ $44.4-41.3=3.1
$ $10×85÷5=170
$$75×99=
7425
$ $25.2-22.4=2.8
$ $69×13÷3=299
$$36×44=
1584
$ $19.3-16.3=3
$ $17×57÷3=323
$$37×66=
2442
$ $47.3-38.4=8.9
$ $26×21÷2=273
$$25×97=
2425
$ $59.3-42.5=16.8
$ $27×33÷9=99
$$16×29=
464
$ $16.7+19.7=36.4
$ $15×55÷5=165
$$22×94=
2068
$ $18.8+21.8=40.6
$ $35×25÷5=175
$$68×31=
2108
$ $43.6-17.8=25.8
$ $17×20÷4=85
$$74×48=
3552
$ $19.7+22.1=41.8
$ $37×24÷8=111
$$11×94=
1034
$ $20.5+26.8=47.3
$ $21×36÷9=84
$$78×88=
6864
$ $23.4+26.4=49.8
$ $48×19÷6=152
$$25×47=
1175
$ $41.5+22.1=63.6
$ $78×12÷4=234
$答案
1. 42×40=1680 2. 46×664=30544 3. 15×18×4=1080 4. 10×12=120 5. 490×32=15680 6. 32×29×3=2784 7. 81×60=4860 8. 658×44=28952 9. 39×39×3=4563 10. 56×70=3920 11. 16×816=13056 12. 33×15×7=3465 13. 48×90=4320 14. 969×14=13566 15. 27×43×3=3483 16. 10×44=440 17. 38×279=10602 18. 45×22×4=3960 19. 70×41=2870 20. 422×14=5908 21. 80×24×3=5760 22. 20×71=1420 23. 404×58=23432 24. 74×18×2=2664 25. 24×20=480 26. 315×25=7875 27. 68×29×8=15776 28. 40×63=2520 29. 84×628=52752 30. 20×27×2=1080 31. 10×96=960 32. 41×492=20172 33. 59×17×6=6018 34. 60×91=5460 35. 432×63=27216 36. 58×13×9=6786 37. 12×20=240 38. 96×422=40512 39. 28×47×4=5264 40. 70×35=2450 41. 310×23=7130 42. 77×14×2=2156 43. 60×72=4320 44. 70×864=60480 45. 80×29×3=6960 46. 67×60=4020 47. 132×64=8448 48. 35×38×9=11970 49. 62×80=4960 50. 63×501=31563 51. 32×35×4=4480 52. 41×60=2460 53. 61×370=22570 54. 88×42×3=11088 55. 15×80=1200 56. 398×76=30248 57. 73×28×4=8176 58. 90×57=5130 59. 13×951=12363 60. 48×45×8=17280 61. 80×58=4640 62. 79×766=60514 63. 77×23×8=14168 64. 20×56=1120 65. 45×330=14850 66. 16×18×5=1440 67. 60×46=2760 68. 58×945=54810 69. 31×26×7=5642 70. 80×93=7440 71. 91×201=18291 72. 98×38×5=18620 73. 90×95=8550 74. 847×89=75383 75. 40×39×3=4680 76. 11×71=781 77. 8.6+8.5=17.1 78. 78×29×5=11310 79. 47×62=2914 80. 3.4+9.5=12.9 81. 14×34×4=1904 82. 74×24=1776 83. 8.5-4.4=4.1 84. 56×46×2=5152 85. 52×74=3848 86. 11+18.5=29.5 87. 25×45×3=3375 88. 69×28=1932 89. 38.5-28=10.5 90. 91×33×6=18018 91. 68×16=1088 92. 10.4-7.4=3 93. 41×24×7=6888 94. 86×93=7998 95. 37.2-4.3=32.9 96. 49×22×8=8624 97. 21×84=1764 98. 49.6-3.8=45.8 99. 88×12×9=9504 100. 74×35=2590 101. 48.6-11.6=37 102. 50×35×3=5250 103. 53×69=3657 104. 46.4-43.5=2.9 105. 54×42×6=13608 106. 25×85=2125 107. 45.7-29.1=16.6 108. 93×24×2=4464 109. 16×24=384 110. 24.4-21.1=3.3 111. 85×40×5=17000 112. 23×52=1196 113. 46.5-43.5=3 114. 32×20×2=1280 115. 18×91=1638 116. 30.4-27.3=3.1 117. 77×20×5=7700 118. 62×58=3596 119. 29.4-26.4=3 120. 32×25÷5=160 121. 96×68=6528 122. 44.4-41.3=3.1 123. 10×85÷5=170 124. 75×99=7425 125. 25.2-22.4=2.8 126. 69×13÷3=299 127. 36×44=1584 128. 19.3-16.3=3 129. 17×57÷3=323 130. 37×66=2442 131. 47.3-38.4=8.9 132. 26×21÷2=273 133. 25×97=2425 134. 59.3-42.5=16.8 135. 27×33÷9=99 136. 16×29=464 137. 16.7+19.7=36.4 138. 15×55÷5=165 139. 22×94=2068 140. 18.8+21.8=40.6 141. 35×25÷5=175 142. 68×31=2108 143. 43.6-17.8=25.8 144. 17×20÷4=85 145. 74×48=3552 146. 19.7+22.1=41.8 147. 37×24÷8=111 148. 11×94=1034 149. 20.5+26.8=47.3 150. 21×36÷9=84 151. 78×88=6864 152. 23.4+26.4=49.8 153. 48×19÷6=152 154. 25×47=1175 155. 41.5+22.1=63.6 156. 78×12÷4=234
解析
1680 30544 1080 120 15680 2784 4860 28952 4563 3920 13056 3465 4320 13566 3483 440 10602 3960 2870 5908 5760 1420 23432 2664 480 7875 15776 2520 52752 1080 960 20172 6018 5460 27216 6786 240 40512 5264 2450 7130 2156 4320 60480 6960 4020 8448 11970 4960 31563 4480 2460 22570 11088 1200 30248 8176 5130 12363 17280 4640 60514 14168 1120 14850 1440 2760 54810 5642 7440 18291 18620 8550 75383 4680 781 17.1 11310 2914 12.9 1904 1776 4.1 5152 3848 29.5 3375 1932 10.5 18018 1088 3 6888 7998 32.9 8624 1764 45.8 9504 2590 37 5250 3657 2.9 13608 2125 16.6 4464 384 3.3 17000 1196 3 1280 1638 3.1 7700 3596 3 160 6528 3.1 170 7425 2.8 299 1584 3 323 2442 8.9 273 2425 16.8 99 464 36.4 165 2068 40.6 175 2108 25.8 85 3552 41.8 111 1034 47.3 84 6864 49.8 152 1175 63.6 234
