74乘以1042除以37乘以负37分之9除以负512减负38乘以37分之36=（74÷37）乘以（1024÷512）乘以37分之9+38乘以37分之36=2×2×9/37+38×36/37=36/37+38×36/37=36/37×（1+38）=36/37×39=（1-1/37）×39=39-39/37=37...