问题
解答题
7.02×900×0.6
0.035÷0.7÷0.5
13.6-13.6×0.7
5.62+3.1×0.6+3.38
(25-1.25×5)÷2.5
8.1×0.3+1.8×0.3+0.03.
答案
7.02×900×0.6,
=6318×0.6,
=3790.8;
0.035÷0.7÷0.5,
=0.035÷(0.7×0.5),
=0.035÷0.035,
=1;
13.6-13.6×0.7,
=13.6×(1-0.7),
=13.6×0.3,
=4.08;
5.62+3.1×0.6+3.38,
=5.62+1.86+3.38,
=5.62+3.38+1.86,
=9+1.86,
=10.86;
(25-1.25×5)÷2.5,
=18.75÷2.5,
=7.5;
8.1×0.3+1.8×0.3+0.03,
=8.1×0.3+1.8×0.3+0.3×0.1,
=0.3×(8.1+1.8+0.1),
=3.