3.09×2.8=
2.25×80=
10.3-2.95= 0.56+3.98 = 84.96-78.98 =
1.52×0.13= 1.05×2.3= 64.8×3.5=
9.36×7.4= 0.49×5.06 = 0.308×0.85=
6.24×25= 0.71 ×1.6= 87.2×0.15 =
3.2÷0.01= 2.2×9.9= 305-199=
2.05×4= 8×12.5%=