来自郎需英的问题
【递等式计算.60+40×25%(1-20%)×30%80÷(1-84%)1.3×35%+8.7×35%】
递等式计算.
60+40×25%
(1-20%)×30%
80÷(1-84%)
1.3×35%+8.7×35%
1回答
2020-04-30 19:52
【递等式计算.60+40×25%(1-20%)×30%80÷(1-84%)1.3×35%+8.7×35%】
递等式计算.
60+40×25%
(1-20%)×30%
80÷(1-84%)
1.3×35%+8.7×35%
(1)60+40×25%,
=60+10,
=70;
(2)(1-20%)×30%,
=80%×30%,
=0.24;
(3)80÷(1-84%),
=80÷16%,
=500;
(4)1.3×35%+8.7×35%,
=35%×(1.3+8.7),
=0.35×10,
=3.5.