(-16/3)÷(+4/3)—3/4X(—2/15)+52/15÷(-4/3)
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/07/09 03:06:47
(-16/3)÷(+4/3)—3/4X(—2/15)+52/15÷(-4/3)
(-16/3)÷(+4/3)—3/4X(—2/15)+52/15÷(-4/3)
=4+1/10-13/5
=4+0.1-2.6
=1.5
再问: 可答案上是-22/3
再答: (-16/3)÷(+4/3)—3/4X(—2/15)+52/15÷(-4/3) =(-16/3+2/15-52/15)×3/4 =(-16/3-10/3)×3/4 =-26/3×3/4 =-6.5 (-16/3)÷(+4/3)—3/4X(—2/15)+52/15÷(-4/3) =-4+1/10-13/5 =-4+0.1-2.6 =-6.5 只能是-6.5,我刚才把符号看错了
=4+1/10-13/5
=4+0.1-2.6
=1.5
再问: 可答案上是-22/3
再答: (-16/3)÷(+4/3)—3/4X(—2/15)+52/15÷(-4/3) =(-16/3+2/15-52/15)×3/4 =(-16/3-10/3)×3/4 =-26/3×3/4 =-6.5 (-16/3)÷(+4/3)—3/4X(—2/15)+52/15÷(-4/3) =-4+1/10-13/5 =-4+0.1-2.6 =-6.5 只能是-6.5,我刚才把符号看错了
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