【摘要】小數(shù)乘法簡便計算練習題(××4(-)×8×102×+××××1×+78××99+
2024-11-23 13:26
【摘要】乘法結(jié)合律練習題(1)axb=_____x_____(2)(axb)xc=ax(_____x_____)(3)35x______=46x_______(4)45x5x4=45x(______x_____)(5)125x32x25=(125x______)x(_____x_______)(6)400x______x8=400x(15x8)
2025-03-26 23:33
【摘要】.乘法結(jié)合律練習題(1)axb=_____x_____(2)(axb)xc=ax(_____x_____)(3)35x______=46x_______(4)45x5x4=45x(______x_____)(5)125x32x25=(125x______)x(_____x_______)(6)400x______x8=400x(15
2025-07-26 10:08