递等式计算(能简便计算的要简便): (1)478+208×5 (2)200-124÷4 (3)72÷2×5 (4)65+65÷5 (5)912-512+88 (6)1903-475×4.
(1)478+208×5, =478+1040, =1518; (2)200-124÷4, =200-31, =169; (3)72÷2×5, =36×5, =180; (4)65+65÷5, =65+13, =78; (5)912-512+88, =400+88, =488; (6)1903-475×4, =1903-1900, =3. |
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