25070210103919

· 35字 · 1分钟
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84.95-7.59=77.36 70.66-50.19=20.47 490÷6=81 …… 4
56.71-41.41=15.3 63÷7+87=96 335÷5=67
72+11=83 70+19=89 58.54-28.54=30.0
38+60=98 135×28=3780 84÷4=21
93×3-5=274 (3×92)+90=366 63×(19+35)=3402
(86+41)×37=4699 70.31-27.14=43.17 29+(56÷8)=36
102÷3=34 265÷5=53 89-(96÷6)=73
27+83×35=2932 53.38-37.9=15.48 (86÷2)+48=91
$\frac{21}{27}$+$\frac{4}{27}$=$\frac{25}{27}$ $\frac{65}{79}$-$\frac{7}{79}$=$\frac{58}{79}$ $\frac{33}{96}$+$\frac{17}{96}$=$\frac{50}{96}$
$\frac{6}{48}$+$\frac{29}{48}$=$\frac{35}{48}$ $\frac{71}{99}$-$\frac{23}{99}$=$\frac{48}{99}$ $\frac{36}{57}$-$\frac{1}{57}$=$\frac{35}{57}$