7 + 6 = 5 + 9 = 8 + 7 = 5 + 8 = 7 + 9 = 9 + 8 =
5 + 7 = 8 + 4 = 9 + 3 = 9 + 9 = 3 + 8 =
6 + 5 = 7 + 4 = 8 + 8 = 6 + 8 = 2 + 9 =
7 + 7 = 3 + 7 =
6 + 6 = 6 + 9 = 8 + 6 = 3 + 8 = 5 + 5 =
7 + 8 = 12 - 4 =
15 - 6 = 14 - 7 = 11 - 8 = 14 - 9 = 15 - 7 =
15 - 9 = 16 - 7 = 13 - 6 = 16 - 9 = 11 - 5 =
12 - 8 = 11 - 7 = 18 - 9 = 17 - 8 = 14 - 8 =
13 - 7 = 15 - 8 = 14 - 5 = 11 - 9 = 17 - 9 =
17 - 9 = 11 - 5 = 13 - 8 =
二、口算（每题1分，共24分）
28 + 20 = 58 - 6 = 66 - 60 = 75 - 30 = 38 + 40 =
71 + 23 = 89 - 8 = 50 + 24 = 4 + 55 = 96 - 20 =
66 - 60 = 38 + 21 = 30 + 34 = 69 - 7 = 59 - 4 =
73 - 70 = 95 - 50 = 25 + 44 = 62 + 7 = 30 + 49 =
86 - 60 = 91 - 50 = 36 + 30 = 51 + 25 =
三、在（ ）里填上合适的数。（每题2分，共24分）
3 +（ ）=73 5 +（ ）=70 4 +（ ）=17
43 +（ ）=93 38 -（ ）=8 68 -（ ）=48
（ ）- 6 = 50 （ ）+ 20 = 66 48 =（ ）+20
63=（ ）+13 72=（ ）+ 70 59=（ ）+ 9
四、计算。（每题2分，共28分）
18+9 - 9 = 12 - 8 + 70 = 70 - 30 + 6 = 46 + 40 + 2 =
99 - 9 - 40 = 5 + 70 - 5 = 9 + 7 + 20 = 14 - 5 + 30 =
30 + 6 + 4 = 55 - 5 + 15 = 36 +30 +20= 5 + 5 5 +20=
13 - 5 + 50= 82 - 80 +8= 98- 20-8= 25+60+5=
58+4 ＝ 71-6 ＝ 5 +78＝ 35+5 ＝ 41+9 ＝ 98-90= 93-9 =
5 +37＝ 5 +82＝ 60-9 ＝
41-8 ＝ 46+3 ＝ 46+7 ＝ 53-20＝
84+6 ＝ 85-4 ＝ 29-3 ＝ 49+9 ＝
84-5 ＝ 8 +59＝ 37-5 = 50+46＝
69+8 ＝ 64-40＝ 7 +28＝ 46-9 ＝
45-6 ＝ 59+7 ＝ 59+5 ＝ 81+9 ＝
16+8 ＝ 76-50＝ 87-5 ＝ 36+8 ＝
37+9 ＝ 31-8 ＝ 67-6 = 27+3 ＝
46+8 ＝ 5 +47＝ 4 +27＝ 90+8 ＝
25+7 = 26+8 = 45-8 = 54-8 +8 ＝
23-6 = 50-5 = 83-9 = 24-8 +10=
36-7 = 43+10= 37-9 = 58-4 +12=
87-9 ＝ 2 +39= 72-5 ＝ 74-9 +30=
36+9 = 50+27= 34-7 = 45+8 -50=
40-3 = 6 +44= 24-6 = 35+8 +12=
70-5 = 54-8 = 23-9 = 26-7 +9 =
6 +73= 32+9 = 35-4 = 63-8 +8 =
71+8 = 7 +78= 24-8 = 29+5 -23=
25+9 = 50-2 = 66-5 = 72-20+27=
64-9 = 5 +31= 25-9 = 8 -3 +35=
30+38= 74+7 = 72-30= 70-10-50=
45+20= 65+8 = 43-4 = 47+8 -30=
36+9 = 44-8 = 56-8 = 35+9 -20=
35+8 = 100-50-20=
25+52= 54+15= 24+63= 74+21= 46+35= 32+63= 65+24= 14+36= 84+15=
45+32= 46+25= 41+32= 21+65= 22+59=
23+74= 28+35= 45+31= 44+37= 63+25= 27+34= 28+71=
14+53= 17+36= 18+45= 19+52= 13+38= 15+36= 49+27=
29+47= 25+49= 69+43= 86+13= 87+11= 76+21= 55+33=
13+64= 19+72= 55+27= 49+47= 32+39= 55+43= 21+56=
45+62= 12+39= 54+39= 42+39= 73+19= 62+29= 59+34=
15+64= 14+82= 67+18= 43+25= 54+27= 33+48= 24+19=
15+81= 14+27= 56+27= 17+46= 18+57= 27+49= 29+16=
12+54= 64+25= 13+62= 58+17= 56+39= 14+59= 46+28=
19+64= 29+62= 65+42= 77+15= 41+35= 58+37= 26+34=
19+67= 63+29= 52+17= 17+46= 43+52= 28+13= 17+64=
15+67= 37+59= 46+51= 16+38= 28+49= 49+27= 16+39=
46+31= 17+59= 66+31= 33+49= 42+55= 77+21= 31+62=
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