25070210103916

· 33字 · 1分钟
1 2 3
73×170＝12410 86÷2＋7＝50 62＋46×35＝1672
(61－19)×38＝1596 57.59－20.38＝37.21 (2＋11)×76＝988
71.92－39.89＝32.03 44.78＋48.99＝93.77 55×68＝3740
30－9＝21 (45×82)－50＝3640 (75×21)＋73＝1648
330÷5＝66 7.76＋42.15＝49.91 70.61－8.35＝62.26
47＋32＝79 3.3＋93.53＝96.83 23×(56－18)＝874
107×97＝10379 117×16＝1872 120÷5＝24
10＋64×52＝3338 55＋24＝79 19×(93＋76)＝3211
$\frac{29}{97}$＋$\frac{21}{97}$＝$\frac{50}{97}$ $\frac{25}{33}$－$\frac{7}{33}$＝$\frac{18}{33}$ $\frac{14}{27}$－$\frac{10}{27}$＝$\frac{4}{27}$
$\frac{40}{61}$＋$\frac{19}{61}$＝$\frac{59}{61}$ $\frac{20}{38}$－$\frac{9}{38}$＝$\frac{11}{38}$ $\frac{11}{21}$＋$\frac{7}{21}$＝$\frac{18}{21}$
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