问题
解答题
|
答案
140÷20=7, | 54+55=109, | 79-65=14, | 35×7×2=490, |
78-9=69, | 800÷200=4, | 630÷9=70, | 45×2+50=140, |
1600+120=1720, | 78-45=33, | 21×40=840, | 400÷50-8=0. |
|
140÷20=7, | 54+55=109, | 79-65=14, | 35×7×2=490, |
78-9=69, | 800÷200=4, | 630÷9=70, | 45×2+50=140, |
1600+120=1720, | 78-45=33, | 21×40=840, | 400÷50-8=0. |