问题
判断题
判断题。(正确的打“√”,错误的打“×”)
1.在除法中,除数不能为0。[ ]
2.25×13×4=25×4×13 [ ]
3.102×66 =100×66+2 [ ]
4.423-68+32= 423 -(68+32) [ ]
5.63×63+37×63= (63+37)×63 [ ]
答案
1.√;2.√;3.×;4.×;5.√
判断题。(正确的打“√”,错误的打“×”)
1.在除法中,除数不能为0。[ ]
2.25×13×4=25×4×13 [ ]
3.102×66 =100×66+2 [ ]
4.423-68+32= 423 -(68+32) [ ]
5.63×63+37×63= (63+37)×63 [ ]
1.√;2.√;3.×;4.×;5.√