3/4x4.8,26/49x49/19,1/3×4/3,1.5×1/8,5/21×7,30÷9/5
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3/4x4.8=18/5
咨询记录 · 回答于2022-11-09
3/4x4.8,26/49x49/19,1/3×4/3,1.5×1/8,嫌闭5/21×7,30÷9/5,8/19÷16,得数化成分芹皮裂数握唯
3/4x4.8=18/5
26/49x49/19=26/19
1/3x4/3=4/9
1.5x1/8=3/16
5/21x7=5/3
30➗9/5=50/3
8/19➗16=1/38
0.7÷9/7,89:17,60:13,41:90,94:78,47:25,55:85,22:20,得数都化成分数