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怎样简便就怎样算.49.5×0.2+2.07÷231350+450÷15×2579÷115+29×511(0.75-316)×(29+13)14÷(3-513-813)[4-(34-38)]×429.
题目详情
| 怎样简便就怎样算. 49.5×0.2+2.07÷23 | 1350+450÷15×25 |
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(0.75-
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| 怎样简便就怎样算. 49.5×0.2+2.07÷23 | 1350+450÷15×25 |
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(0.75-
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49.5×0.2+2.07÷23
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▼优质解答
答案和解析
(1)49.5×0.2+2.07÷23,
=9.9+0.09,
=9.99;
(2)1350+450÷15×25,
=1350+30×25,
=1350+750,
=2100;
(3)
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=9.9+0.09,
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(2)1350+450÷15×25,
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=1350+750,
=2100;
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