| 1 | 2 | 3 |
|---|---|---|
| 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 |
| $\frac{21}{27}$+$\frac{4}{27}$=$\frac{25}{27}$ | $\frac{65}{79}$-$\frac{7}{79}$=$\frac{58}{79}$ | $\frac{33}{96}$+$\frac{17}{96}$=$\frac{50}{96}$ |
| $\frac{6}{48}$+$\frac{29}{48}$=$\frac{35}{48}$ | $\frac{71}{99}$-$\frac{23}{99}$=$\frac{48}{99}$ | $\frac{36}{57}$-$\frac{1}{57}$=$\frac{35}{57}$ |
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