问题
解答题
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答案
88÷22=4, | 400×50=20000, | 101+99=200, | 50×60=3000, |
25×40=1000, | 23×30=690, | 81÷3=27, | 120-26=94, |
540÷90=6, | 770÷7=110, | 78÷3=26, | 69+31=100, |
15×40=600, | 18×5=90, | 64÷32=2, | 200+22÷4=205.5, |
40+20÷(2+2)=45, | 14×2÷4=7, | 25÷5×5=25, | 45+38-45+2=40, |
150-20×5+25=75. |