Question - Mathematical Calculation
Solution:
图片中的数学题是：\[ 5 \times 9 + 14 - 6 \times 7 \]我们可以按照 "请先乘除、后加减" 的顺序来计算这个式子：首先计算乘法：\[ 5 \times 9 = 45 \]\[ 6 \times 7 = 42 \]所以原式变成：\[ 45 + 14 - 42 \]然后计算加法和减法（从左到右）：\[ 45 + 14 = 59 \]\[ 59 - 42 = 17 \]因此，最终结果是：\[ 5 \times 9 + 14 - 6 \times 7 = 17 \]
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