问题
解答题
脱式计算.
|
答案
(1)8.6÷0.86+10×0.5,
=10+5,
=15;
(2)3.75-(0.2+7.8)×0.3,
=3.75-8×0.3,
=3.75-2.4
=1.35;
(3)25.5÷[(10-8.98)×2.5],
=25.5÷[1.02×2.5],
=25.5÷2.55,
=10.
脱式计算.
|
(1)8.6÷0.86+10×0.5,
=10+5,
=15;
(2)3.75-(0.2+7.8)×0.3,
=3.75-8×0.3,
=3.75-2.4
=1.35;
(3)25.5÷[(10-8.98)×2.5],
=25.5÷[1.02×2.5],
=25.5÷2.55,
=10.