15.73-(2.17-0.73)-7.8简便运算?
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15.73-(2.17-0.73)-7.8
=15.73-1.44-7.8
=15.73-(1.44+7.8)
=15.73-9.24
=6.49
=15.73-1.44-7.8
=15.73-(1.44+7.8)
=15.73-9.24
=6.49
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展开全部
15.73-(2.17-0.73)-7.8
=15.73-2.17+0.73-7.8
=15.73-2-7+0.73-(0.17+0.8)
=6.73+0.73-0.97
=7.46-1+0.3
=6.46+0.3
=6.76
=15.73-2.17+0.73-7.8
=15.73-2-7+0.73-(0.17+0.8)
=6.73+0.73-0.97
=7.46-1+0.3
=6.46+0.3
=6.76
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简算:
15.73-(2.17-0.73)-7.8
=15.73-2.17+0.73-7.8
=(15.73+0.73)-(2.17+7.8)
=16.46-9.97
=16.44-(10-0.03)
=16.44-10+0.03
=6.47
15.73-(2.17-0.73)-7.8
=15.73-2.17+0.73-7.8
=(15.73+0.73)-(2.17+7.8)
=16.46-9.97
=16.44-(10-0.03)
=16.44-10+0.03
=6.47
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2022-07-06
展开全部
15.73-(2.17-0.73)-7.8
=15.73-1.44-7.8
=15.73-(1.44+7.8)
=15.73-9.24
=6.49
=15.73-1.44-7.8
=15.73-(1.44+7.8)
=15.73-9.24
=6.49
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
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