12.5×88 8.8×10.2 5×289×0.2 79×25 + 25

0.87×99 + 87×100 76×10.1－7.6 75×140-700×14 101×3.8

378 + 52.7 + 7.3 16.7 + 28.9 + 3.3 5.8 + 0.39 + 4.2 + 0.61

38×6.2+38×3.8 12×9.8 5.5×99+5.5 5.5×9.9 3.8×7+3.1×14

1.2×29+1.2 5.8×199+5.8 4.2×79+42×0.1 2.5×46+5.0×27

6.9×10.1-0.69 5.5×21-5.5 9.9×99+990×0.01

7.9×25+2.2×25-25×0.1 999.9×2222+333.3×3334