| 213-135÷9 26×4-112÷8 68×19+32×19 34×25×40 632-89-232 (56+21)×(96÷8). |
| (1)213-135÷9, =213-15, =198; (2)26×4-112÷8, =104-14, =90; (3)68×19+32×19, =(68+32)×19, =100×19, =1900; (4)34×25×40, =34×(25×40), =34×1000, =34000; (5)632-89-232, =632-232-89, =400-89, =311; (6)(56+21)×(96÷8), =77×12, =924. |
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