479-56-144=
0.045×100=
0.9÷100=
1.9÷100×10=
4.7+3.5-0.7=
2.6+3.04=
10-0.09=
0×36÷6=
7.28+1.39-4.28 9.06-5.09+0.94-4.91 67×135-57×135
560×72+29×560-560 25×64×125 3333×3333+9999×8889
0.86×100=
620-530=
120÷8×0=
10-7.68=
32÷100=
7×19+7=
98-8×8=
2.2-0.6-0.4=
3.7-0.7= 5.2+6.8= 0.25× 400= 1.25×0.8= 51.2÷100=
2.4×5= 0.58×10= 0.35+1.25= 8.36×0= 12.5-2.5+7.5=
5.6-5.2= 0.16+0.4= 21.4-3.7-6.3= 3.91+4.6-3.9=
0.75+0.7= 8.5-0.05= 76+24×5= 6.2+7.9+0.8=
200÷25= 1-0.99= 5.24×100÷10= 100-100÷5=
2.7+3.6=
1﹣0.91=
0.3÷10=
0.52×1000=
4.005×100=
16.3÷100=
0÷6+8=
15.6+5=
12.7÷100×1000=
100﹣100÷5=
75×3=
240÷20=
900÷20÷5=
660÷6=
103×3=
元