题目脱式计算（能简算的要简算): (1)0.32×6.7+3.2×0.43−0.32\ \ \ \ \ \ \left(1\right)0.32\times 6.7+3.2\times 0.43-0.32 (1)0.32×6.7+3.2×0.43−0.32； (2)3.25÷2.5÷4\ \ \ \ \ \ \left(2\right)3.25\div 2.5\div 4 (2)3.25÷2.5÷4； (3)58×0.25×45×4\ \ \ \ \ \ \left(3\right)\frac{5}{8}×0.25×\frac{4}{5}×4 (3)85×0.25×54×4.知识点：多项式乘多项式章节：数与式 / 整式
