999X222十333X334的简便运算

2025-03-25 05:20:18
推荐回答(4个)
回答1:

方法1
333×(3×222+334’
=333×(666+334)
=333×1000
=333000
方法2
999×222+333×334
=(1000-1)×222+333×(1+333)
=222000-222+333+333×3×111
=222000+111×(1+999)
=222000+111000
=333000

回答2:

简便运算
999X222十333X334
=333X666十333X334

=333x(666+334)
=333x1000
=333000

回答3:

999X222十333X334
=(1000-1)X222+333X(333+1)
=222X1000-222+333X333+333
=111X2000+111X999+111
=111X(2000+999)+111
=111X2999+111
=111X(2999+1)
=111X3000
=333000

999X222十333X334
=333X3X222+333X334
=333X(666+334)
=333X1000
=333000

回答4:

原式=333*333*2+333*(333+1)
=333*333*2+333*333+333
=333*333*(2+1)+333
=333*999+333
=333*(999+1)
=333*1000
=333000