有理数乘法:1、(1/3+1/4-1/6)*24=、2、(-4)*(-5)*0.25=、3、100*(-3)*(-5)*0.01=
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![有理数乘法:1、(1/3+1/4-1/6)*24=、2、(-4)*(-5)*0.25=、3、100*(-3)*(-5)*0.01=](/uploads/image/z/1248866-26-6.jpg?t=%E6%9C%89%E7%90%86%E6%95%B0%E4%B9%98%E6%B3%95%EF%BC%9A1%E3%80%81%EF%BC%881%2F3%2B1%2F4-1%2F6%EF%BC%89%2A24%3D%E3%80%812%E3%80%81%EF%BC%88-4%EF%BC%89%2A%EF%BC%88-5%EF%BC%89%2A0.25%3D%E3%80%813%E3%80%81100%2A%EF%BC%88-3%EF%BC%89%2A%EF%BC%88-5%EF%BC%89%2A0.01%3D)
有理数乘法:1、(1/3+1/4-1/6)*24=、2、(-4)*(-5)*0.25=、3、100*(-3)*(-5)*0.01=
有理数乘法:1、(1/3+1/4-1/6)*24=、2、(-4)*(-5)*0.25=、3、100*(-3)*(-5)*0.01=
有理数乘法:1、(1/3+1/4-1/6)*24=、2、(-4)*(-5)*0.25=、3、100*(-3)*(-5)*0.01=
1、(1/3+1/4-1/6)*24
=1/3x24+1/4x24-1/6x24
=8+6-4
=10
2、(-4)*(-5)*0.25
=4x0.25x5
=1x5
=5
3、100*(-3)*(-5)*0.01
=100x0.01x3x5
=1x15
=15