Đặt tính rồi tính:

28439 - 34256       64217 + 19547       91584 - 65039       39950 - 8924

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.........................      .........................      ........................      ........................

.........................      .........................      ........................      ........................

614 x 7       9438 x 2       33888 : 8       31175 : 5

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..............      .................      .................      ................

Đặt tính rồi tính:

37264 + 25328       96851 - 67825       7416 x 4       27436 : 7

.........................      .........................      ................      ...................

.........................      .........................      ................      ...................

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