1. 直接写出得数。(32☆)
$6×10 = $
$40×2 = $
$20×4 = $
$4×3 - 3 = $
$21×4 = $
$6×11 = $
$42×2 = $
$7×8 + 4 = $
$43×2 = $
$11×3 = $
$4×12 = $
$9×6 - 7 = $
$22×3 = $
$32×2 = $
$9×11 = $
$30×2 - 2 = $
$12×3 = $
$11×5 = $
$23×2 = $
$8×4 - 13 = $
$22×4 = $
$22×2 = $
$20×3 = $
$11×4 - 5 = $
$13×3 = $
$30×3 = $
$44×2 = $
$5×9 - 9 = $
$31×3 = $
$8×11 = $
$14×2 = $
$11×7 + 7 = $

60 80 80 9
84 66 84 60
86 33 48 47
66 64 99 58
36 55 46 19
88 44 60 39
39 90 88 36
93 88 28 84

2. 说说下面各题应先算什么,再计算。(18☆)
$8×9 - 14$
$100 - 7×5$
$82 - 9×4$
$32×3 - 83$
$220 - 20×3$
$41 - 11×2$
$129 - 8×9$
$5×10 - 5$
$321 - 21×3$
用时:____分钟
共得:____☆/50☆

58 65 46
13 160 19
57 45 258