问题
选择题
(105
|
答案
原式=(105
+20396 1881
)×361 1881
÷(5111 79
+25790 3081
)×936 3081 57 13
=125
×757 1881
÷7611 79
×1762 3081 57 13
=
×235882 1881
×11 79
×3081 235918 57 13
=235882×1027 79×235918×13
=235882 235918
=117941 117959
≈1,
故选A.