题目内容
递等式计算
| 720÷20×8o | o67+208÷26 | 6o×(oo0÷6) |
| (72+688)÷o6 | o74÷o4×88 | (4o2-82)÷70. |
(d)z29÷99×db,
=8×db,
=d9z;
(2)b6z+298÷26,
=b6z+8,
=bz5;
(b)6b×(bb9÷6),
=6b×55,
=bz65;
(z)(z5+68d)÷b6,
=z56÷b6,
=2d;
(5)bzz÷bz×88,
=dd×88,
=968;
(6)(zb2-d2)÷z9,
=z29÷z9,
=6.
=8×db,
=d9z;
(2)b6z+298÷26,
=b6z+8,
=bz5;
(b)6b×(bb9÷6),
=6b×55,
=bz65;
(z)(z5+68d)÷b6,
=z56÷b6,
=2d;
(5)bzz÷bz×88,
=dd×88,
=968;
(6)(zb2-d2)÷z9,
=z29÷z9,
=6.
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