6.5÷0.2= 54÷0.06= 6×0.25= 4×5.1×2.5=
0.55÷5.5= 6.5×40= 9.99÷0.1= 0.96÷0.5÷0.2=
—_______________
42.3×=1.5×
(3.5+4.5)×=(×)(×8)
(2.5×1.4)×=1.4×(×4)