Question

Tính nhanh: 2.19.6 + 3.37.4+44.12
       mn nhanh nhé

 

Answer 1

2.19.6 + 3.37.4+44.12=12.19+12.37+44.12=12(19+37+44)=12.100=1200

Answer 2

2.19.6+3.37.4+44.12

=2.6.19+3.4.37+12.44

=12.19+12.37+12.44

=12.(19+37+44)

=12.100

=1200

Answer 3

2.19.6+3.37.4+44.12

=2.6.19+3.4.37+12.44

=12.19+12.37+12.44

=12.(19+37+44)

=12.100

=1200

Answer 4

      2.19.6+3.37.4+44.12

   =2.6.19+3.4.37+12.44

   =12.19+12.37+12.44

   =12.(19+37+44)

   =12.100

   =1200