-4×(-7)=...
12×(-3)×(-5)=...
-6×(-4)×8=...
-9×15×(-3)=...
12×(-3)×(-5)=...
-6×(-4)×8=...
-9×15×(-3)=...
(2014) Chinese provincial series Atlas: Atlas Inner Mongolia(Chinese Edition)
(2014) Chinese provincial series Atlas: Atlas Inner Mongolia(Chinese Edition)