2/3乘(9/16-1/4)+1/3乘5/16=多少

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2/3乘(9/16-1/4)+1/3乘5/16=多少2/3乘(9/16-1/4)+1/3乘5/16=多少2/3乘(9/16-1/4)+1/3乘5/16=多少原式=2/3X5/16+1/3X5/16=(

2/3乘(9/16-1/4)+1/3乘5/16=多少
2/3乘(9/16-1/4)+1/3乘5/16=多少

2/3乘(9/16-1/4)+1/3乘5/16=多少
原式=2/3X5/16+1/3X5/16
=(2/3+1/3)X5/16
=1X5/16
=5/16

2/3乘(9/16-1/4)+1/3乘5/16

=2\3*(9\16-4\16)+1\3*5\16
=2\3*5\16+1\3*5\16
=5\16*(2\3+1\3)
=5\16*1
=5\16

等于5/16,请采纳