(0.1+1.2+2.3+3.4+4.5+5.6+6.7+7.8+8.9)÷(0.01+0.03+0.05+0.07+0.09+0.11+0.13+0.15+0.17+0.19)的得
(0.1+1.2+2.3+3.4+4.5+5.6+6.7+7.8+8.9)÷(0.01+0.03+0.05+0.07+0.09+0.11+0.13+0.15+0.17+0...
(0.1+1.2+2.3+3.4+4.5+5.6+6.7+7.8+8.9)÷(0.01+0.03+0.05+0.07+0.09+0.11+0.13+0.15+0.17+0.19)的得数的整数部分是______.
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(0.1+1.2+2.3+3.4+4.5+5.6+6.7+7.8+8.9)÷(0.01+0.03+0.05+0.07+0.09+0.11+0.13+0.15+0.17+0.19),
=[(0.9+8.9)+(1.2+7.8)+(2.3+6.7)+(3.4+5.6)+4.5]÷[(0.01+0.19)+(0.03+0.17)+(0.05+0.15)+(0.07+0.0.13)+(0.09+0.11)],
=(4×9+4.5)÷(0.2×5),
=40.5÷1,
=40.5.
所以答数的整数部分是40.
故答案是:40.
=[(0.9+8.9)+(1.2+7.8)+(2.3+6.7)+(3.4+5.6)+4.5]÷[(0.01+0.19)+(0.03+0.17)+(0.05+0.15)+(0.07+0.0.13)+(0.09+0.11)],
=(4×9+4.5)÷(0.2×5),
=40.5÷1,
=40.5.
所以答数的整数部分是40.
故答案是:40.
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