文档介绍：小学四年级数学下册计算题
31. 3 × 49 - 4 32. 8 × 156 + 17 33. 12× 5 – 9 ×3
34. 8× 4 + 4
35. 6? 38 – 38 ?6
36. 47 × 59 + 37 × 9 37. 52 -( 32 + 45 )
38. 78 + ( 1/8 + 1/9 )
39. 9 × 56 + 56 40. 34 × 89 - 13 41. 7 × 549 + 34 42. 6 ×( 12 + 3 )
43. 8 × 5 + 8 × 115 44. 31 × 56 – 56
45. 97 - ( 27 – 1021 )
46. 59 × 18 – 14 × 27 47. 45 × 2516 + 23 × 34
48. 14 × 87 – 56 × 125 49. 1732 – 34 × 94
50. 3 × 29 + 13 51. 57 × 325 + 37 52. 314 × 23 + 16 53. 15 × 23 + 56 54. 922 + 111 ? 12 55. 53 × 115 + 43 56. 45 × 23 + 13 × 15
57. 79 + 129 × 56 58. 14 + 34 ? 23 59. 7 × 2116 + 12 60. 101 × 15 – 15 × 21 ，(58+370)×(64-45)
-148+35
+45×2-4160 64(58+37)×(64-9×5)
×(64-45)
-145+42 420+580-64×21
-9+31×11 +14×(14+208)
69.(284+16)×(512-8208)
-36×4+35 71.(58+37)×(64-9×5)
72.(68-68×55)?85
× 12×48
×15+25
-+785-37=