12
青蛙吃害虫,须按得数从小到大的路线走,请你算一算,连一连

36+6=
40-7=
45-8=
27-9=
43+8=
47+4=
74-40=
76-8=
73-40=
64+6=
19+10=
68+2=
37+30=
63-30=
89-80=
46-5=
47+5=
51+30=
□+7=84
39-□=9
9+□=23
□+6=39
74-□=7
6+□=42
9+□=36
□-7=22
67-□=8
青蛙吃害虫,须按得数从小到大的路线走,请你算一算,连一连
36+6=
40-7=
45-8=
27-9=
43+8=
47+4=
74-40=
76-8=
73-40=
64+6=
19+10=
68+2=
37+30=
63-30=
89-80=
46-5=
47+5=
51+30=
□+7=84
39-□=9
9+□=23
□+6=39
74-□=7
6+□=42
9+□=36
□-7=22
67-□=8
答案
9→14→18→27→29→29→30→33→33→33→33→34→36→37→41→42→51→51→52→59→67→67→68→70→70→77→81
解析
先计算各算式结果:36+6=42,40-7=33,45-8=37,27-9=18,43+8=51,47+4=51,74-40=34,76-8=68,73-40=33,64+6=70,19+10=29,68+2=70,37+30=67,63-30=33,89-80=9,46-5=41,47+5=52,51+30=81,84-7=77,39-9=30,23-9=14,39-6=33,74-7=67,42-6=36,36-9=27,22+7=29,67-8=59。再将结果从小到大排序:9,14,18,27,29,29,30,33,33,33,33,34,36,37,41,42,51,51,52,59,67,67,68,70,70,77,81。
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