8个九分之四的和的十三分之三是(三十九分之三十二);
20的五分之二与六分之五相乘得(三分之二十)
算式
4/9x8x3/13=4/3x8/13=32/39
20x2/5x5/6=20/3
8个九分之四的和的十三分之三是();20的五分之二与六分之五相乘得()
8个九分之四的和的十三分之三是();20的五分之二与六分之五相乘得()
数学人气:952 ℃时间:2019-12-13 04:51:34
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