5分之9乘以8分之3减8分之3等于多少?简便运算,5分之2*4+5分之2

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5分之9乘以8分之3减8分之3等于多少?简便运算,5分之2*4+5分之2

5分之9乘以8分之3减8分之3等于多少?简便运算,5分之2*4+5分之2
5分之9乘以8分之3减8分之3等于多少?简便运算,5分之2*4+5分之2

5分之9乘以8分之3减8分之3等于多少?简便运算,5分之2*4+5分之2
9/5x3/5-3/5
=3/5x(9/5-1)
=3/5x4/5
=12/25
2/5x 4+2/5
=2/5x(4+1)
=2/5x5
=2

9/5×3/8 - 3/8
=(9/5 - 1)×3/8
=4/5 ×3/8
=3/10

9/5*3/8-3/8
=3/8*(9/5-1)
=3/8*4/5
=3/10
2/5*4+2/5
=2/5*(4+1)
=2/5*5
=2

9/5X3/8-3/8
=3/8X(9/5-1)
=3/8x4/5
=3/10

2/5X4+2/5
=2/5x(4+1)
=2/5x5
=2

=(4/5+1)*3/8-3/8=4/5*3/8=0.3
=2/5*(4+1)=2/5*5=2

9/5×3/8-3/8=3/8×(9/5-1)=3/8*4/5=3/10,2/5*4+2/5=2/5*(4+1)=2

5/9 * 3/8 - 3/8=3/8(5/9-1)=-3/8* 4/9=-1/6
2/5 * 4 + 2/5=2/5 *(4+1)=2/5 * 5 =2