数学

17.8÷(1.78×4) 0.49÷1.4 1.25×2.5×32

3.65×10.1

15.2÷0.25÷4 0.89×100.1 146.5－(23＋46.5)

3.83×4.56＋3.83×5.44 4.36×12.5×8 9.7×99＋9.7

27.5×3.7－7.5×3.7 8.54÷2.5÷0.4 0.65×101

3.2×0.25×12.5 (45.9－32.7)÷8÷0.125 3.14×0.68＋

31.4×0.032 5.6÷1.25÷0.8÷2.5÷0.4 7.2×0.2＋2.4×1.4

8.9×1.01 7.74×（2.8－1.3）＋1.5×2.26 3.9×2.7＋3.9×7.3

18－1.8÷0.125÷0.8 12.7×9.9＋1.27 21×（9.3－3.7）－5.6