二十三乘以中括号三百一十除以十三加十八的和?

2025-06-21 21:14:06
推荐回答(1个)
回答1:

原式
=325÷13x(380-347)
=325÷13x33
=25x33
=25x30+25x3
=750+75
=825
或者
=325÷13x(380-347)
=325÷13x33
=25x33
=25x32+25x1
=25x4x8+25
=100x8+25
=800+25
=825
供参考。