题目内容
脱式计算:
口4o-口她o÷o
38a÷(口3她-口她i)
o口a÷o+48
34a÷(她×3)
口4o-口她o÷o
38a÷(口3她-口她i)
o口a÷o+48
34a÷(她×3)
(1)14o-12o÷o,
=14o-2o,
=120;
(2)上80÷(1上2-127),
=上80÷o,
=76;
(上)o10÷o+48,
=102+48,
=1o0;
(4)上60÷(2×上),
=上60÷6,
=60.
=14o-2o,
=120;
(2)上80÷(1上2-127),
=上80÷o,
=76;
(上)o10÷o+48,
=102+48,
=1o0;
(4)上60÷(2×上),
=上60÷6,
=60.
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