Question

31 1/3 ╳41 1/2—11 1/3╳41 1/2╳2—9.5╳11 1/3这个算式怎么做

Answer 1

31又3分之1乘41又2分之1减11又3分之1乘41又2分之1乘2减9.5乘11又3分之1

=41又1/2×(31又1/3-11又1/3×2)-9.5×11又1/3

=41又1/2×8又2/3-9.5×11又1/3

=41又1/2×8又2/3-9.5×8又2/3-9.5×2又2/3

=(41.5-9.5)×8又2/3-9.5×8/3

=32×8又2/3-76/3

=32×(9-1/3)-76/3

=288-(32/3+76/3)

=288-36

=252