题目列表(包括答案和解析)
| 25×4= | 16×5= | 25×60= | 15×40= |
| 15×6= | 12×5= | 24×3= | 25×8= |
| 35×2= | 16×0= | 28÷4= | 18×9= |
| 25×4= | 125×8= | 11+99= | 8×900= |
| 650-70= | 36÷9×4= | 64+46= | 4000÷50= |
| 42+69+58= | 260÷13= | 18+2×5= | 145-78-22= |
| 25×4= | 31×30= | 18×4= | 300×8= | 70×11= |
| 120×7= | 130×5= | 60×11= | 100×24= | 24×4= |
| 16×4= | 75×3= | 25×2= | 2×310= | 70×13= |
| 21×60= | 55×2= | 450×3= | 360×5= | 48×7= |
| 45×20= | 17×9= | 32×5= | 98×2= | 210×6= |
| 2370+1995= | 3999+498= | 1883-398= | 158+262+138 | 388+(5000-1000)= |
| 375+219+381+225= | 5001-247-1021-232= | (181+2564)+2719= | 378+44+114+242+222= | (375+1034)+(966+125)= |
| (2130+783+270)+1017= | 7755-(2187+755)= | 2214+638+286= | 3065-738-1065= | 899+344= |
| 2357-183-317-357= | 2365-1086-214= | 497-299= | 2370+1995= | 3999+498= |
| 25×4= | 31×30= | 18×4= | 300×8= | 70×11= |
| 120×7= | 130×5= | 60×11= | 100×24= | 24×4= |
| 16×4= | 75×3= | 25×2= | 2×310= | 70×13= |
| 21×60= | 55×2= | 450×3= | 360×5= | 48×7= |
| 45×20= | 17×9= | 32×5= | 98×2= | 210×6= |
| 2370+1995= | 3999+498= | 1883-398= | 158+262+138 | 388+(5000-1000)= |
| 375+219+381+225= | 5001-247-1021-232= | (181+2564)+2719= | 378+44+114+242+222= | (375+1034)+(966+125)= |
| (2130+783+270)+1017= | 7755-(2187+755)= | 2214+638+286= | 3065-738-1065= | 899+344= |
| 2357-183-317-357= | 2365-1086-214= | 497-299= | 2370+1995= | 3999+498= |
4×18×25=
480÷2÷5=
72÷9×6=
0÷36×24=
1+56÷8=
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