1.被减数,减数与差的和是480,被减数与差的比是4:1,差是多少?2.0.3除4/3=2:()=10/()=(/16)3.a除b=8,a:b=():()4.如果s:b=30那么5/a:5/b=()5.3/2a=5/3b(a,b不为0),a:b=():()

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1.被减数,减数与差的和是480,被减数与差的比是4:1,差是多少?2.0.3除4/3=2:()=10/()=(/16)3.a除b=8,a:b=():()4.如果s:b=30那么5/a:5/b=()5.3/2a=5/3b(a,b不为0),a:b=():()

1.被减数,减数与差的和是480,被减数与差的比是4:1,差是多少?2.0.3除4/3=2:()=10/()=(/16)3.a除b=8,a:b=():()4.如果s:b=30那么5/a:5/b=()5.3/2a=5/3b(a,b不为0),a:b=():()
1.被减数,减数与差的和是480,被减数与差的比是4:1,差是多少?2.0.3除4/3=2:()=10/()=(/16)3.a除b=8,a:b=():()4.如果s:b=30那么5/a:5/b=()5.3/2a=5/3b(a,b不为0),a:b=():()

1.被减数,减数与差的和是480,被减数与差的比是4:1,差是多少?2.0.3除4/3=2:()=10/()=(/16)3.a除b=8,a:b=():()4.如果s:b=30那么5/a:5/b=()5.3/2a=5/3b(a,b不为0),a:b=():()
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