直接写出得数。225+475=（）19.3

直接写出得数。3S4q.O*T1G:I'w,n1j3U4j'l7Z)d0{)W

225+475= )T7w4A0i7y3S4q.O*T1G:I'w,n1j3U4j'l7Z)d0{)W

19.3-2.7=6u0I'H-d9|/g0u3D9|8O:q3S4q.O*T1G:I'w,n1j3U4j'l7Z)d0{)W

1/2+3/4=4R;j(})o0p8r.g8}1k6Z-]3S4q.O*T1G:I'w,n1j3U4j'l7Z)d0{)W

1.75÷1.75=8g4q+W8d(L+Y1`3S4q.O*T1G:I'w,n1j3U4j'l7Z)d0{)W

3/4×2/3=6|+I/H*S,f0[-I3S4q.O*T1G:I'w,n1j3U4j'l7Z)d0{)W

5.1÷0.01='v-M4w5r4S/?3S4q.O*T1G:I'w,n1j3U4j'l7Z)d0{)W

4/7×5.6=4|2w0Z2q7s3S4q.O*T1G:I'w,n1j3U4j'l7Z)d0{)W

8.1-6.5=*Q7P,v5`:W({+Z6v+u3S4q.O*T1G:I'w,n1j3U4j'l7Z)d0{)W

4.1+1÷2=*~0c5w4U:k+i6j2f5W'_-X5L,e.W(Q3S4q.O*T1G:I'w,n1j3U4j'l7Z)d0{)W