25070210103906

· 35字 · 1分钟
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68.25－8.86＝59.39 12×16＋81＝273 38－9＝29
73.96＋65.24＝139.2 (8×74)－17＝575 88×36－47＝3121
86－39＝47 60÷6＋33＝43 39×97＝3783
(42÷7)＋65＝71 25.98＋78.91＝104.89 80.59－63.79＝16.8
100÷4＝25 58＋(78÷2)＝97 133÷7＝19
40＋(79×14)＝1146 82×32＝2624 35＋(70×27)＝1925
65＋(18×21)＝443 23＋31＝54 86.47＋50.47＝136.94
77.01－24.78＝52.23 359÷6＝59 …… 5 120÷6＝20
$\frac{50}{82}$－$\frac{29}{82}$＝$\frac{21}{82}$ $\frac{15}{42}$＋$\frac{23}{42}$＝$\frac{38}{42}$ $\frac{47}{91}$－$\frac{35}{91}$＝$\frac{12}{91}$
$\frac{94}{95}$＋$\frac{1}{95}$＝1 $\frac{9}{16}$－$\frac{4}{16}$＝$\frac{5}{16}$ $\frac{5}{6}$－$\frac{1}{6}$＝$\frac{4}{6}$
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