25070210103911

· 33字 · 1分钟
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36＋49＝85 36－(78÷3)＝10 99×27＝2673
95×78＝7410 31＋(85÷5)＝48 153÷9＝17
65.2－62.47＝2.73 (54＋19)×5＝365 88.25－21.95＝66.3
75÷3＋23＝48 55.76－5.88＝49.88 27×31＝837
(97×52)＋20＝5064 93＋3＝96 74×62－42＝4546
40－29＝11 67.73－50.14＝17.59 (32×88)－80＝2736
135÷9＝15 19.64＋14.78＝34.42 36.4＋13.87＝50.27
66×30＝1980 56－(52÷2)＝30 48＋(51÷3)＝65
$\frac{38}{39}$－$\frac{1}{39}$＝$\frac{37}{39}$ $\frac{33}{34}$－$\frac{1}{34}$＝$\frac{32}{34}$ $\frac{27}{43}$－$\frac{9}{43}$＝$\frac{18}{43}$
$\frac{41}{79}$－$\frac{33}{79}$＝$\frac{8}{79}$ $\frac{53}{58}$＋$\frac{3}{58}$＝$\frac{56}{58}$ $\frac{44}{72}$＋$\frac{8}{72}$＝$\frac{52}{72}$
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