31.5×0.931.5 5.42÷0.95.42 0.98×10.98
2.5×0.82.5÷0.8 3.56÷1.013.56 4.95÷14.95
4.2×1.994.2÷1.99 0.450.45
1.02×0.5=
1.25×0.8=
0.58+0.42=
36.12÷4=2
10-9.35=
9.9+0.1÷10=
2.44÷0.4=
0.3÷0.3×0.3÷0.3=