问题
判断题
判断题(对的打“√”,错的打“×”):
(1)x3·x5=x15;[ ]
(2)x3·x5=x8;[ ]
(3)x3+x5=x8; [ ]
(4)x2·x2=2x4;[ ]
(5)a3·a2-a2·a3=0;[ ]
(6)y7+y7=y14。 [ ]
答案
(1)×(2)√(3)×(4)×(5)√(6)×
判断题(对的打“√”,错的打“×”):
(1)x3·x5=x15;[ ]
(2)x3·x5=x8;[ ]
(3)x3+x5=x8; [ ]
(4)x2·x2=2x4;[ ]
(5)a3·a2-a2·a3=0;[ ]
(6)y7+y7=y14。 [ ]
(1)×(2)√(3)×(4)×(5)√(6)×