37.812-700÷(9+31×11) (136+64)×(65-345÷23) 38.85+14×(14+208÷26) 120-36×4÷18+35
(58+37)÷(64-9×5) (6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6 3.2×(1.5+2.5)÷1.6 31.50+160÷40
(58+370)÷(64-45) 32.120-144÷18+35 33.347+45×2-4160÷52 34(58+37)÷(64-9×5) 35.95÷(64-45) 36.178-145÷5×6+42 420+580-64×21÷28 812-700÷(9+31×11)
(136+64)×(65-345÷23) (284+16)×(512-8208÷18) 120-36×4÷18+35
(58+37)÷(64-9×5) (6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6 (23.2×(1.5+2.5)÷1.6 45.6-1.6÷4=
5.38+7.85-5.37= 46.7÷0.8-1.2×5= 6-1.19×3-0.43=
47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9 297×999
1983×21+21×3017 (0.123+123) ×1009 34×24+3481
0.8×0.196+0.094 105+895×57 32.47×23+27 39.01×18.3-901 76.5+2-2×184 49+23×14
31×99 52×99+52 25×32×125