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计算下面各题.0.8÷2.5÷410.89-1.89÷0.541.08×2.4÷2.72.05÷8.2+3.64.5÷1.25×84.8×0.27+0.52×2.7.
题目详情
计算下面各题.
0.8÷2.5÷4 10.89-1.89÷0.54 1.08×2.4÷2.7 0.8÷2.5÷4 10.89-1.89÷0.54 1.08×2.4÷2.7 2.05÷8.2+3.6 4.5÷1.25×8 4.8×0.27+0.52×2.7. 2.05÷8.2+3.6 4.5÷1.25×8 4.8×0.27+0.52×2.7.
0.8÷2.5÷4 | 10.89-1.89÷0.54 | 1.08×2.4÷2.7 |
2.05÷8.2+3.6 | 4.5÷1.25×8 | 4.8×0.27+0.52×2.7. |
0.8÷2.5÷4 | 10.89-1.89÷0.54 | 1.08×2.4÷2.7 |
2.05÷8.2+3.6 | 4.5÷1.25×8 | 4.8×0.27+0.52×2.7. |
▼优质解答
答案和解析
(1)0.8÷2.5÷4
=0.8÷(2.5×4)
=0.8÷10
=0.08;
(2)10.89-1.89÷0.54
=10.89-3.5
=7.39;
(3)1.08×2.4÷2.7
=2.592÷2.7
=0.96;
(4)2.05÷8.2+3.6
=0.25+3.6
=3.85;
(5)4.5÷1.25×8
=3.6×8
=28.8;
(6)4.8×0.27+0.52×2.7
=0.48×2.7+0.52×2.7
=(0.48+0.52)×2.7
=1×2.7
=2.7.
=0.8÷(2.5×4)
=0.8÷10
=0.08;
(2)10.89-1.89÷0.54
=10.89-3.5
=7.39;
(3)1.08×2.4÷2.7
=2.592÷2.7
=0.96;
(4)2.05÷8.2+3.6
=0.25+3.6
=3.85;
(5)4.5÷1.25×8
=3.6×8
=28.8;
(6)4.8×0.27+0.52×2.7
=0.48×2.7+0.52×2.7
=(0.48+0.52)×2.7
=1×2.7
=2.7.
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