2个回答
展开全部
9/5×11/3+11/3÷4/9
=9/5×11/3+11/3x9/4
=(9/5+9/4)x11/3
=9x(1/5+1/4)x11/3
=9x(4/20+5/20)x11/3
=9x9/20x11/3
=9x3/20x11
=297/20
=9/5×11/3+11/3x9/4
=(9/5+9/4)x11/3
=9x(1/5+1/4)x11/3
=9x(4/20+5/20)x11/3
=9x9/20x11/3
=9x3/20x11
=297/20
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展开全部
9/5×11/3+11/3÷4/9
=9/5×11/3+11/3×9/4
=11/3×(9/5+9/4)
=11/3×9×(1/5+1/4)
=33×(4+5)/(4×5)
=297/20
=9/5×11/3+11/3×9/4
=11/3×(9/5+9/4)
=11/3×9×(1/5+1/4)
=33×(4+5)/(4×5)
=297/20
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