| 1 | 2 | 3 |
|---|---|---|
| 20.53+70.55=91.08 | 6×(96-9)=522 | 66+(34×6)=270 |
| 82×36+9=2961 | 98.36-3.92=94.44 | 73+21=94 |
| 48.48+30.77=79.25 | 31.34+43.73=75.07 | 81.75-70.28=11.47 |
| 12×152=1824 | 84÷4-19=2 | 23.36+68.64=92.0 |
| 20×29-46=534 | 76+(12÷2)=82 | 53+30=83 |
| 146×47=6862 | 459÷9=51 | (76×62)+65=4777 |
| 81-80=1 | 784÷8=98 | 114÷6=19 |
| 86+(98×74)=7338 | 498÷8=62 …… 2 | 36-(91÷7)=23 |
| $\frac{19}{55}$+$\frac{2}{55}$=$\frac{21}{55}$ | $\frac{5}{9}$+$\frac{1}{9}$=$\frac{6}{9}$ | $\frac{59}{96}$-$\frac{30}{96}$=$\frac{29}{96}$ |
| $\frac{33}{40}$+$\frac{7}{40}$=1 | $\frac{82}{87}$-$\frac{1}{87}$=$\frac{81}{87}$ | $\frac{2}{31}$+$\frac{9}{31}$=$\frac{11}{31}$ |
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