7.09/0.52=?/52=?3.428/7.5=?/75=?26/4./42=?19.4/0.012=?/12=?/是除号 两个?

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7.09/0.52=?/52=?3.428/7.5=?/75=?26/4./42=?19.4/0.012=?/12=?/是除号 两个?
7.09/0.52=?/52=?3.428/7.5=?/75=?26/4./42=?19.4/0.012=?/12=?
/是除号 两个?

7.09/0.52=?/52=?3.428/7.5=?/75=?26/4./42=?19.4/0.012=?/12=?/是除号 两个?
7.09/0.52=709/52= 13.634615384615385
3.428/7.5=34.28/75= 0.4570666666666667
26/4.2=260/42= 6.190476190476191
19.4/0.012=19400/12=1616.6666666666667