1. 直接写出得数。(每题 1★)
$63+32= $ $27+61= $ $41+51= $
$7+48= $ $88+5= $ $22+36= $
$38-13= $ $75-2= $ $67-26= $
$46+52= $ $14+82= $ $2+69= $
$84-8= $ $39+3= $ $18+31= $
$15+44= $ $2+54= $ $66+8= $
$58+11= $ $35+12= $ $7+92= $
$6+64= $ $77-9= $ $74+4= $
$96-80= $ $6+78= $ $42+21= $
$57+9= $ $17+45= $ $65+20= $
$71+23= $ $87-7= $ $91-4= $
$43+1= $ $55+34= $ $24+53= $

95 88 92 55 93 58
25 73 41 98 96 71
76 42 49 59 56 74
69 47 99 70 68 78
16 84 63 66 62 85
94 80 87 44 89 77

2. 列竖式计算。(每题 3★)
$75+12= $ $13+31= $ $35+21= $
$24+44= $ $64+35= $ $23+52= $

87 44 56
68 99 75(竖式略)