1. 直接写出得数。(每题 1★)
$46 - 13 = $ $85 - 32 = $ $8 + 64 = $
$38 - 9 = $ $39 - 31 = $ $50 - 27 = $
$61 - 18 = $ $75 - 9 = $ $79 - 24 = $
$16 + 71 = $ $58 - 33 = $ $51 - 2 = $
$28 - 14 = $ $77 - 15 = $ $86 - 42 = $
$29 - 1 = $ $89 + 6 = $ $65 - 13 = $
$75 - 21 = $ $59 + 35 = $ $78 - 4 = $
$67 + 22 = $ $81 - 36 = $ $54 - 43 = $
$80 - 68 = $ $63 - 5 = $ $72 - 46 = $
$98 - 47 = $ $60 - 55 = $ $94 - 8 = $
$66 - 53 = $ $83 - 23 = $ $62 - 41 = $
$19 + 49 = $ $56 + 11 = $ $44 + 52 = $

33 53 72 29 8 23
43 66 55 87 25 49
14 62 44 28 95 52
54 94 74 89 45 11
12 58 26 51 5 86
13 60 21 68 67 96

2. 列竖式计算。(每题 3★)
$67 - 51 = $ $80 - 32 = $ $92 - 69 = $
$44 - 9 = $ $38 - 19 = $ $75 - 26 = $

16 48 23
35 19 49(竖式略)