如题所述
3.27×3/7+3.27÷4/9
=3.27×(3/7+4/9)
=3.27×(27/63+28/63)
=3.27×0.87
=2.8449
=3.27×(3/7+4/9)
=3.27×(27/63+28/63)
=3.27×0.87
=2.8449
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第1个回答 2022-09-11
3.27x(3/7)+3.27÷(9/4)
=3.27x(3/7+4/9)
=3.27x(27/63+28/63)
=327/100x55/63
=109/20x11/21
=1199/420。
=3.27x(3/7+4/9)
=3.27x(27/63+28/63)
=327/100x55/63
=109/20x11/21
=1199/420。
