(3.2×1.5+2.5)÷1.6 6-1.6÷4 5.38+7.85-5.37 7.2÷0.8-1.2×5
6-1.19×3-0.43
32.52-(6+9.728÷3.2)×2.5
6.5×(4.8-1.2×4) (7.1-5.6)×0.9-1.15] ÷2.5 5.8×( 3.87-0.13)+4.2×3.74 12×6÷7.2-6 [
5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6 0.68×1.9+0.32×1.9
(58+370)÷(64-45) 420+580-
18.1+(3-0.299÷0.23)×1
64×21÷28 136+6×( (6.8-6.8×0.55)÷8.5 65-345÷23) 15-10.75×0.4-5.7 0.12× 4.8÷0.12×4.8
(3.2×1.5+2.5)÷1.6 3.2×6+(1.5+2.5)÷1.6 0.68×1.9+0.32×1.9
10.15-10.75×0.4-5.7
[(7.1-5.6)×0.9-1.15] ÷2.5
5.8×( 3.87-0.13)+4.2×3.74 32.52-(6+9.728÷3.2)×2.5 5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6