2400÷16÷0.5 32×0.25×0.125

2.8×3.2＋3.2×7.2 7.4－0.15×2.8

3.76×0.25－0.49 0.25×4.78×4 0.65×201

0.008+0.92×5－1.28

7.8÷（1.3×4）

7.2×0.9＋0.01×7.2

5

1.2×2.5＋0.8×2.5 2.5×7.1×4 16.12×99＋16.12 5.2×0.9＋0.9 4.3×50×0.2

8.6×10.1

5.6×(12.5－8.5 ÷0.85)

[(8.1－5.6) ×0.9－1] ×0.4

8.25×4.08+0.75×4.08+4.08

4.32＋5.43＋6.68

6

64－2.64×0.5 26×15.7＋15.7×24 (2.275 ＋0.625)×0.28 3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.8

15.17－6.8－3.2

12.75－(2.75＋6.8)

1.27＋3.9＋0.73＋16.1

12.8－4.9－5.1

6.75－（0.9＋3.75）

7

8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46 8.05×3.4+7.6 6.58×4.5×0.9

1.34＋1.8＋3.66＋0.2

0.96－0.28＋0.04－0.72

12.78-(4.97+2.78)

31.7－0.5×0.7－1.65

35.72- 4.9-（5.72+5.1）

8