试题与答案

直接写出得数 2.7+2.2=6.9-6=0.59-0.9=0.7-0.7=0.

题型:解答题

题目:

直接写出得数
2.7+2.2=6.9-6=0.59-0.9=0.7-0.7=0.2+0.8=
4-1.76=1-0.09=9.5+11=6.8-6=4.8+5.2=

答案:

2.7+2.2=4.9,6.9-6=0.9,0.59-0.9=-0.31,0.7-0.7=0,0.2+0.8=1,
4-1.76=2.24,1-0.09=0.91,9.5+11=20.5,6.8-6=0.8,4.8+5.2=10.

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