发布网友
共5个回答
热心网友
原式=2454+1001÷7
=2454+143
=2400+54+143
=2543+54
=2597
热心网友
=2454+1001/7
=2454+(700+280+21)/7
=2454+700/7+280/7+21/7
=2454+100+40+3
=2597
热心网友
=2454+1001÷7
=2454+143
=2597
热心网友
=2454-143×7÷7÷(6-5)
=2454+143
=2597
热心网友
2454+1001除以括号42-35括号