1. 直接写出得数。(每题 1★)
$88 - 29 = $ $76 - 35 = $ $44 + 21 = $
$45 + 25 = $ $17 + 32 = $ $66 - 14 = $
$82 - 62 = $ $95 - 61 = $ $56 - 9 = $
$62 + 33 = $ $39 + 47 = $ $96 - 72 = $
$63 - 12 = $ $43 - 6 = $ $79 + 2 = $
$57 + 11 = $ $54 + 15 = $ $16 + 42 = $
$97 - 36 = $ $7 + 83 = $ $85 - 19 = $
$65 - 8 = $ $90 - 69 = $ $64 + 27 = $
$34 + 43 = $ $71 - 4 = $ $6 + 77 = $
$53 - 5 = $ $23 + 41 = $ $45 + 44 = $
$68 - 24 = $ $84 - 51 = $ $99 - 86 = $
$52 + 32 = $ $53 + 9 = $ $4 + 49 = $

59 41 65 70 49 52 20 34 47 95 86 24 51 37 81 68 69 58 61 90 66 57 21 91 77 67 83 48 64 89 44 33 13 84 62 53

2. 列竖式计算。(每题 3★)
$85 + 12 = $ $70 - 47 = $ $91 - 63 = $
$84 - 72 = $ $37 + 23 = $ $66 + 15 = $

97 23 28 12 60 81(竖式略)