Question

算式 1 4 ×（4.85 ÷ 5 18 -3.6+6.15×3 3 5 ）+[5.5-1.7×（1 2

算式 1 4 ×（4.85 ÷ 5 18 -3.6+6.15×3 3 5 ）+[5.5-1.7×（1 2 3 + 19 21 ）]的计算结果是______．

Answer 1

1 4 ×（4.85 ÷ 5 18 -3.6+6.15×3 3 5 ）+[5.5-1.7×（1 2 3 + 19 21 ）] = 1 4 ×（4.85×3.6-3.6+6.15×3.6）+[5.5-1.7×2 4 7 ] = 1 4 ×[10×3.6]+[5.5-4 13 35 ] = 1 4 ×36+1 9 70 =9+1 9 70 =10 9 70 ． 故答案为：10 9 70 ．