Question

-1.25乘17.6+1.25乘36-26.4乘1.25

Answer 1

-1.25乘17.6+1.25乘36-26.4乘1.25

= -17.6 x 1.25 + 36 x 1.25 - 26.4 x1.25

= (-17.6 + 36 - 26.4) x1.25

= [36 - (26.4+17.6)] x1.25

= [36 -44 ] x 1.25

= -8 x 1.25

= -10