课件28张PPT。练习二184846688- 8 =- 7 =2357975-8-73-8-8-8-8-8-8-8-8-7-7-7-7-7-7-7-7417645615871798169713 – 7 = 13 – 8 = 7 + 6 =
12 – 8 = 11 – 7 = 13 – 9 =
16 – 9 = 14 – 7 = 12 – 7 =
14 – 8 = 16 – 8 = 11 – 8 = 7 在 里填“>” “<” 或“ =”
14 – 8 7
15 - 7 7
8 + 7 158<>=910