Question

9999乘7778加3333乘6666 用简便方法怎么计算

五年级算术

Answer 1

9999×7778+3333×6666
= 9999×7778+3333×(3×2222)
= 9999×7778+9999×2222
= 9999×(7778+2222)
= 9999×10000
= 99990000

Answer 2

9999*7778+3333*6666
= 9999*7778+3333*(3*2222)
= 9999*7778+9999*2222
= 9999*(7778+2222)
= 9999*10000
= 99990000

Answer 3

=9999*7778+3*1111*6*1111
=9999*7778+（3*1111*3）*（2*1111）
=9999*7778+9999*2222
=9999*（7778+2222）
=9999*10000
=99990000

Answer 4

9999×7778+3333×6666
=9999×7778+3333×(3×2222)
=9999×7778+3333×3×2222
=9999×7778+(3333×3)×2222
=9999×7778+9999×2222
=9999×(7778+2222)
=9999×10000
=99990000

Answer 5

9999×778+3333×6666
=9999×7778+9999×2222
=9999×（7778+2222）
=99990000