69.12÷3.6+69.12÷6.4 35×0.5+65÷2 0.96×9.9+0.96×0.1
来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/10/06 21:33:22
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)
(61.2-61.2×0.9)÷0.25 7.89-(3.27+2.89) (52.9-3.3)÷(80×0.25)
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 7.89-(3.27+2.89) (52.9-3.3)÷(80×0.25)
=(0×0.9)÷0.25 =7.89-2.89-3.27 =49.6÷20
=0÷0.25 =5-3.27 =2.48
=0 =1.78
=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 7.89-(3.27+2.89) (52.9-3.3)÷(80×0.25)
=(0×0.9)÷0.25 =7.89-2.89-3.27 =49.6÷20
=0÷0.25 =5-3.27 =2.48
=0 =1.78
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