83+56= 1-= 32×3= =
600×4= 90-27= 748-351≈ 394×5≈
0.7+0.9=
0.8-0.55=
1.7+2.3=
4.1-3.8=
6-0.04=
8.6-5.3=
14+0.78=
1-0.03=
0.7+2.5=
0.9-0.55=
3.5+4.2=
0.3+3.2=
4-0.04=
0.8-0.45=
4.0-2.8=
0.8+0.6=
0.78+2.2=
1.1+2.5=
14.6-0.34=
10-0.1=
6.3-4.8=
1-0.07=
5-0.08=
3.2-1.9=
8.24+3.76=
3.2+7.5=
0.7+2.3=
1.3+5.5=
4.3+2.1=
3.6+1.8=