25070210103908

· 33字 · 1分钟
1 2 3
78.5－38.67＝39.83 57.4＋18.75＝76.15 83＋(41×36)＝1559
485÷5＝97 24＋31×5＝179 45÷9＋70＝75
30＋66×95＝6300 82－(55÷5)＝71 475÷5＝95
49×53＝2597 65＋(22×74)＝1693 336÷7＝48
56.02－54.26＝1.76 24－8＝16 74.19－58.22＝15.97
99＋(3÷3)＝100 45＋23＝68 57×54＝3078
63－59＝4 24×39＝936 25＋9×15＝160
56.42－43.2＝13.22 22.21＋46.97＝69.18 (52＋50)×41＝4182
$\frac{74}{88}$－$\frac{7}{88}$＝$\frac{67}{88}$ $\frac{3}{5}$－$\frac{1}{5}$＝$\frac{2}{5}$ $\frac{82}{96}$－$\frac{13}{96}$＝$\frac{69}{96}$
$\frac{38}{50}$－$\frac{11}{50}$＝$\frac{27}{50}$ $\frac{5}{33}$＋$\frac{20}{33}$＝$\frac{25}{33}$ $\frac{23}{25}$－$\frac{1}{25}$＝$\frac{22}{25}$
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