8195+1921If these two numbers total 6879, what do the two numbers below total?

游客2024-08-17  9

问题 8195+1921
If these two numbers total 6879, what do the two numbers below total?
8216+1909

选项

答案 15189

解析 (将纸颠倒过来,将数字相加。1261+5618=6879,6061+9128=15189。)
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