3.4- 1.4= 7.82-7.2= 2. 19+9. 1=
10. 1-0.89= 0.68+0.42= 8. 1-5. 1=
0.728-0.24= 0.8+0. 18= 0.89-0.25=
1-0.98= 0.048+0.52= 5×400=
19.9+ 1 1. 1= 187÷ 1000= 1+3.89=
0.08 1× 10= 75÷ 10= 0.96÷0.8=
0.8×7= 1.5×7= 1.32×8=
0.7×8= 10.3×2= 5×0.6=
0.9×0.3= 3.5×0.2= 2.0 1×0=
10×0.05= 0. 13×7= 0.2 1× 100=
0.7×4= 0.05×4= 4×0.3=430-250= 0. 17+0.06= 1.02-0.09=
7200÷800= 0. 17+0.6= 0.83-0.6=
23× 100= 9.8-4.8= 480÷40=
0.53÷ 100= 5. 1+2.3= 125×80=
0.078÷ 10= 0.52+0.4= 70× 12=
0.25× 100= 3.4-2.8= 0.6-0.37=
0.052× 10= 10+0.08= 1-0.75=
0.5× 1000= 7.82+0.3= 13.5+6.5=
3.05× 100= 1.2-0.8= 2 1.6- 12.6=
63÷ 100= 0.83-0.5= 0.76+0. 14=
80÷ 1000= 2.7+0.4= 0.72-0.43=
30× 100= 0.92-0.2= 3.5+4.8=
3.5+2.4= 5+0.07= 1-0.6 1=
0.47+0.23= 0.25+0.75= 3.7+0.33=
0.5 1+0.33= 1-0.6= 8-4.6=
5.8-3.6= 0.52+0.4= 6.45+5.5=
4.5- 1.3= 3.4-2.8= 9.53- 1.53=
8.8-6.7= 10+0.08= 9.5-7.3=
7.2+0.8= 7.82+0.3= 8.8-6.7=
9.5-7.3= 1-0.95= 3.4-2.8=
0.96-0.35= 9.53- 1.53= 0.25+0.75=
1.2-0.8= 0.83-0.5= 2.7+0
12.5×8= 2.3×4= 3.25×0=
0.4×50= 30×0. 1= 2.6×3=
4. 1×2= 0.35×0.2= 7.5×0. 1= 18 5 95 ÷ 19 5
100 ÷20 5
360 ÷3 =
42× 20=
12 × 50=
1500-700=
5900-4000=
76 + 27=
840 ÷ 2=
770 ÷ 7=
30× 20=
40× 50=
9900+ 100=
700 ÷ 7=
240× 10=
390 ÷ 3=
60× 50=
7 1 - 22=
50 × 90=
14 × 20=
600+ 1200=
840 ÷ 4=
36 + 49=
10 × 60=
800 × 50=
180 ÷ 3=
120 ÷ 6 =
7500+500=
460+ 140=
33 × 20 =
990 ÷ 3 =
440 ÷ 4 =
83-57 =
860 ÷ 2=
1 100-600=
6900- 1900=
720 ÷ 8=
0÷999=
7 × 800=
23 × 30=
290 - 190=
690 ÷ 3=
690÷3×6=
17×40=
100-63=
3.2+ 1.68=
2.8×0.4=
14-7.4=
1.92÷0.04=
0.32×500=
0.65+4.35=
10-5.4=
4÷20=
3.5×200=
1.5-0.06=
0.75÷ 15=
0.4×0.8=
4×0.25=
0.36+ 1.54=
1.0 1×99=
420÷35=
25× 12=
135÷0.5=
3/4 + 1/4 =
2 + 4/9 =
3 - 2/3 =
3/4 - 1/2=
1/6 + 1/2 - 1/6 =
7.5-(2.5+3.8)=
7/8 + 3/8 =
3/ 10 + 1/5 =
4/5 - 7/ 10 =
2 - 1/6 - 1/3 =
0.5 1÷ 17=
32.8+ 19=
5.2÷ 1.3=
1.6×0.4=
4.9×0.7=
1÷5=
6÷ 12=
0.87-0.49=
24/3*9=
15*3-20=
12* 1 1+ 13=
25*4+36=
36+25- 14=
2*36+4=
12/4*35=
(23-8)*3=
14/2+2 1/3=
42/ 14+54/9=
55/ 1 1*20=
36/9* 12=
16/4* 19=
16-45/ 15+6=
70÷7=
20× 10=
320÷5≈
54×70≈
25 1÷4≈
6300÷7=
13 1÷4≈
50×8=
85-45=
0÷5=
280÷4=
60×40=
840-30=
2700÷9=
99×3 1≈
3. 1+2.7=
13 1÷4≈
50×8=
7.8- 1.8=
350÷5=
630÷9=
13 1÷6≈
10×80=
65-56=
43 1÷6≈
15×6=
4.8-0.4=
6. 1+0.7=
9 1× 18≈
257÷4≈
44÷4=
20×40=
2 10-30=
34+28 =
63- 63÷9=
120÷3×2=
800÷8=
40×70=
300÷4≈
59×72≈
25 1÷5≈
630÷7=
13 1÷6≈
0× 108=
45- 18=
0÷ 15=
120÷4=
30×40=
640-70=
1800÷9=
99×39≈
5. 1+2.6=
4 1 1÷4≈
15×20=
7.3- 1.8=
250÷5=
6300÷9=
43 1÷6≈
20×80=
78-56=
49 1÷8≈
14×6=
4.8-4.4=
6. 1+4.7=
9 1× 19≈
367÷4≈
55÷5=
10×40=
2 1 1-30=
134+28 =
50×40- 100=
12×20÷30=