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