直接写出得数:d3s0y3l-P+N
10 - 6.1= *?0D'U5x:r4K)Y.]:d3s0y3l-P+N
3.4 + 2.8= 6u3z.Q7]8~-b4w+a:d3s0y3l-P+N
40×0.5= ;|3c4r/{)f+X+i:d3s0y3l-P+N
0.4×0.5= )m0Q0I,f5v,R4E0L(S;?7K0p5e4|7k7C;_:h9D:d3s0y3l-P+N
1.68÷1.2= 6h5v/C3Z*Z4U:d3s0y3l-P+N
7.2÷4=4S'f0J)[6B3V-U:d3s0y3l-P+N
88.4 ÷3.4=*X.c6C2?5n5Y5E+K/|6c,i:d3s0y3l-P+N