5.6X0.125十2.4÷8=5.6X0.125十2.4X0.125=(5.6+2.4)X0.125=8X0.125=1
5.6X0.125十2.4÷8=0.7×8×0.125+2.4÷8=0.7×(8×0.125)+2.4÷8=0.7×1+2.4÷8=0.7+0.3=1