300÷25=(300X4)÷(25x4)=1200÷100=12
正确,应用了商不变的性质
700÷25
=(700×4)÷(25×4)
=2800÷100
=28
150÷25
=(150×4)÷(25×4)
=600÷100
=6
875÷125
=(875×8)÷(125×8)
=7000÷1000
=7
300÷25=(300X4)÷(25x4)=1200÷100=12
正确,应用了商不变的性质
700÷25
=(700×4)÷(25×4)
=2800÷100
=28
150÷25
=(150×4)÷(25×4)
=600÷100
=6
875÷125
=(875×8)÷(125×8)
=7000÷1000
=7