1) 8-7+1-2 a) 0 b) b) 2 c) c)-1 d) d) All answers are correct 2) 77-77+80-8 a) 72 b) 27 c) -70 3) 7-8 a) 1 b) -1 4) 22+6-8-5=-15 a) True b) False 5) 6582 + 4293 - 3156 = ? a) 7719 b) 7197 6) Asmaa read 352 pages of a book. The next day, he read 417 more pages. Then he decided to remove 189 pages because he didn't need them. How many pages did he keep? a) 580 b) 850

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?