问题
解答题
脱式计算.
136×25-840
130×(550-480)
1960-960÷8.
答案
(1)136×25-840
=3400-840
=2560;
(2)130×(550-480)
=130×70
=9100;
(3)1960-960÷8
=1960-120
=1840.
脱式计算.
136×25-840
130×(550-480)
1960-960÷8.
(1)136×25-840
=3400-840
=2560;
(2)130×(550-480)
=130×70
=9100;
(3)1960-960÷8
=1960-120
=1840.