小鬼圣
幼苗
共回答了18个问题采纳率:88.9% 举报
576-500=76, 12.7+7=19.7, 15×6=90, 30÷4=7.5,
2.8×2=5.6, 3.64+4.46=8.1, 1÷0.05=20, 1-
3
7 =
4
7 ,
3
4 +
1
3 =
13
12 ,
5
6 ×
3
5 =
1
2 ,
1
2 -
1
2 ×
1
2 =
1
4 , 9 2 =81,
5
8 ÷
3
4 =
5
6 , 20×0.06=1.2, 1÷
3
2 ×
2
3 =
4
9 , 164-(84-60)=140.
1年前
7