Question

6666*7+9999*6+2222*2的简便运算是什么？

Answer 1

6666×7+9999×6+2222×2
=1111×6×7+1111×9×6+1111×2×2
=1111×(6×7+9×6+2×2)
=1111×100
=111100

Answer 2

6666×7+9999×6+2222×2
=1111×6×7+1111×9×6+1111×2×2
=1111×(42+54+4)
=1111×100
=111100

Answer 3

6666*7+9999*6+2222*2
=1111（6X7+9X6+2X2）
=1111X100
=111100

Answer 4

6666*7+9999*6+2222*2
=1111*42+1111*54+1111*4
=1111*（42+54+4）
=1111*100
=111100

Answer 5

6666×7+9999×6+2222×2
=2222×3×7+2222×27+2222×2
=2222×21+2222×27+2222×2
=2222×（21+27+2）
=2222×50
=111100