69.12÷3.6+69.12÷6.4 35×0.5+65÷2 0.96×9.9+0.96×0.1
问题描述：
69.12÷3.6+69.12÷6.4 35×0.5+65÷2 0.96×9.9+0.96×0.1
（61.2-61.2×0.9）÷0.25 7.89-（3.27+2.89） （52.9-3.3）÷（80×0.25）
答
69.12÷3.6+69.12÷6.4 35×0.5+65÷2 0.96×9.9+0.96×0.1 =69.12÷（3.6+6.4） =35×1／2+65×1／2 =0.96×（9.9+0.1）=69.12÷10 =（35+65）×1／2 =0.96×10=6.912 =100×1／2 =9.6=50（61.2-61.2×0.9）÷0.25 ...