17.72×3/11-(7/13-4/5)×65-5.47÷11/3+12.25×41/11=
人气:481 ℃ 时间:2020-05-08 22:34:14
解答
17.72×3/11-(7/13-4/5)×65-5.47÷11/3+12.25×41/11=17.72×3/11-(35-42)-5.47×3/11+12.25×41/11=(17.72-5.47)×3/11+12.25×41/11-7=12.25×3/11+12.25×41/11-7=(3+41)×12.25/11-7=50-7=43
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