问题
解答题
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答案
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25×4=100 | 31×30=930 | 18×4=72 | 300×8=2400 | 70×11=770 |
120×7=840 | 130×5=650 | 60×11=660 | 100×24=2400 | 24×4=96 |
16×4=64 | 75×3=225 | 25×2=50 | 2×310=620 | 70×13=910 |
21×60=1260 | 55×2=110 | 450×3=1350 | 360×5=1800 | 48×7=336 |
45×20=900 | 17×9=153 | 32×5=160 | 98×2=196 | 210×6=1260 |
2370+1995=4365 | 3999+498=4497 | 1883-398=1485 | 158+262+138=558 | 388+(5000-1000)=4388 |
375+219+381+225=1200 | 5001-247-1021-232=3501 | (181+2564)+2719=5464 | 378+44+114+242+222=1000 | (375+1034)+(966+125)=2500 |
(2130+783+270)+1017=4200 | 7755-(2187+755)=4813 | 2214+638+286=3138 | 3065-738-1065=1262 | 899+344=1243 |
2357-183-317-357=1500 | 2365-1086-214=1065 | 497-299=198 | 2370+1995=4365 | 3999+498=4497 |