(-49 23/24)*48 负49又23/24*48

xunhuanxxx2022-10-04 11:39:542条回答

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共2条回复
yangfang85 共回答了21个问题 | 采纳率76.2%
(-49 又23/24)*48
=(-50+1/24)*48
=-50*48+1/24*48
=-2400+2
=-2398
1年前
yexxian 共回答了16个问题 | 采纳率93.8%
(-49 又23/24)*48
=(-50+1/24)*48
=-50*48+1/24*48
=-2400+2
=-2398
1年前

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有理数的乘法和除法49又23/21除(-7)(15/14-1.4)/(-30/7)
mihuo1571年前3
luckylx511 共回答了21个问题 | 采纳率81%
49又23/21除(-7)
=(49+21/23)÷(-7)
=49÷(-7)+21/23÷(-7)
=-7-3/23
=-7又3/23
(15/14-1.4)/(-30/7)
=14/15÷(-7/30)-1.4÷(-7/30)
=14/15×(-30/7)-1.4×(-30/7)
=-4+6
=2