题目列表(包括答案和解析)
| 4.5+6.3 | 6.5+4.8 | 8.6+7.7 | 10.05+0.4 |
| 34.6-4.9 | 9-4.2 | 3.45÷10 | 65.5÷10 |
| 9.43÷10 | 3.2÷100 | 2.75×10 | 6.783×100 |
| 0.35×2 | 0.8×6 | 5.2+1.7 | 0.01×8 |
| 1.6×0.3 | 7.31×100 | 3.8×4 | 6.3×0.1 |
| 0.8×0.9 | 0.7×1.2 | 2.5×0.4 | 4.5-1.5 |
| 7.5-0.1 | 0.125×8 | 0.23×0.5 | 9.6+5 |
| 8.36+0.75 | 0.35×6 | 0.83+0.6 | 3.16×2 |
| 0.65×2 | 4.7×0.4×0 | 0.09×6 | 0.4×0.1 |
| 2.3×0.3 | 8.3-2.4 | 5×0.02 | 1.68+3.34 |
| 9.6÷6 | 0.03×1.2 | 0.4+1.5 | 7.9×0.01 |
| 0.45+0.55 | 1.2+43 | 9.2-0.8 | 0.85×4 |
| 10.3+2.9 | 100×0.6 | 0.3×7 | 125×0.8 |
| 2.5×4 | 3.7+4.8 | 7×0.08 | 3.6÷0.6 |
| 9.3+0.7 | 0.162×100 | 4.2÷3 | 0.25×4×1.2. |
| 日期 | 污染指数 | 日期 | 污染指数 | 日期 | 污染指数 |
| 1 | 87 | 8 | 120 | 15 | 215 |
| 2 | 113 | 9 | 54 | 16 | 140 |
| 3 | 64 | 10 | 48 | 17 | 92 |
| 4 | 105 | 11 | 50 | 18 | 71 |
| 5 | 162 | 12 | 69 | 19 | 50 |
| 6 | 201 | 13 | 118 | 20 | 45 |
| 7 | 70 | 14 | 97 | 21 | 92 |
| 80÷10= | 18×4= | 130×3= | 37×6= | 120÷60= |
| 25×4= | 2×240= | 200×10= | 360×30= | 78÷3= |
| 350×4= | 7×23= | 2600×0= | 350×50= | 123÷3= |
| 3333÷11= | 307×4= | 218×9= | 7×230= | 20×351= |
| 60×12= | 14×70= | 230×7= | 436÷4= | 444÷4= |
| 123+45= | 5600+45= | 506-87= | 980-806= | 425×2= |
| 237×7= | 907-289= | 300×30= | 190×5= | 25×30= |
| 77÷11= | 20×50= | 12×5= | 12-10÷2= | 290×20= |
| 40+25-12= | (30-15)×20= | 16+4×8= | 300-100÷5= | 44+44×5= |
| 309÷3-3= | (429+11)÷4= | 21×40+120= | 190×5-190= | 305×50+2= |
| 200×7-175= | 180×50= | 500×10= | 10×550= | 19×300= |
| 12×(345+55)= | 700-(390+10)= | 111÷(231-230)= |
| 80÷10= | 18×4= | 130×3= | 37×6= | 120÷60= |
| 25×4= | 2×240= | 200×10= | 360×30= | 78÷3= |
| 350×4= | 7×23= | 2600×0= | 350×50= | 123÷3= |
| 3333÷11= | 307×4= | 218×9= | 7×230= | 20×351= |
| 60×12= | 14×70= | 230×7= | 436÷4= | 444÷4= |
| 123+45= | 5600+45= | 506-87= | 980-806= | 425×2= |
| 237×7= | 907-289= | 300×30= | 190×5= | 25×30= |
| 77÷11= | 20×50= | 12×5= | 12-10÷2= | 290×20= |
| 40+25-12= | (30-15)×20= | 16+4×8= | 300-100÷5= | 44+44×5= |
| 309÷3-3= | (429+11)÷4= | 21×40+120= | 190×5-190= | 305×50+2= |
| 200×7-175= | 180×50= | 500×10= | 10×550= | 19×300= |
| 12×(345+55)= | 700-(390+10)= | 111÷(231-230)= |
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com