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)
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
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答
69,12÷(3.6+6.4)=6.912 (35+65)X0.5=50 0.96x(0.9+0.1)=0.96
[61.2-(1-0.9)]x4=24.48 7.89-2.89-3.27=1.73 49.6÷20=2.98