25070210103905

· 33字 · 1分钟
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(87-18)×29=2001 3.98+39.87=43.85 74÷2+75=112
33-30=3 91+3=94 76.2-23.62=52.58
94÷2=47 9×29=261 96.92-15.75=81.17
97+60×58=3577 (77÷7)-9=2 (86+42)×69=8832
63.97-22.8=41.17 (33÷3)+89=100 52×123=6396
141÷3=47 (71×76)-47=5349 89.71-19.3=70.41
4.12+31.63=35.75 46+18=64 10×18+4=184
61-(44÷2)=39 10÷5=2 522÷9=58
$\frac{17}{18}$-$\frac{1}{18}$=$\frac{16}{18}$ $\frac{35}{64}$-$\frac{27}{64}$=$\frac{8}{64}$ $\frac{16}{23}$+$\frac{5}{23}$=$\frac{21}{23}$
$\frac{35}{38}$-$\frac{3}{38}$=$\frac{32}{38}$ $\frac{80}{90}$+$\frac{4}{90}$=$\frac{84}{90}$ $\frac{5}{6}$-$\frac{1}{6}$=$\frac{4}{6}$