1.25×(8+ 10)

9 123-( 123+8.8)

1.24×8.3+8.3× 1.76

9999× 100 1

14.8×6.3-6.3×6.5+8.3×3.7

1.24+0.78+8.76

933- 157-43

482 1-998

32× 125×25

9048÷26

288 1÷ 43

3.2×42.3×3.75- 12.5×0.423× 16

1.8+ 18÷ 1.5-0.5×0.3

6.5×8+3.5×8-47

(80-9.8) × 2/5- 1.32

8×7 4÷[ 1÷(3.2-2.95)]

2700×(506-499)÷900

33.02-( 148.4-90.85)÷2.5

( 1÷ 1- 1)÷5. 1

18. 1+(3-0.299÷0.23)× 1