计算要过程:-3/4÷3/8×(-4/9)÷(-2/3);6...1
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发布时间:2023-11-04 22:01
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热心网友
时间:2024-03-28 20:12
-3/4÷3/8×(-4/9)÷(-2/3)
=-2×(-4/9)×(-3/2)
=8/9×(-3/2)
=-4/3
63×(-1又4/9)+(1/7)÷(-0.9)
=63×(-13/9)+1/7÷(-9/10)
=-91-10/63
=-91又10/63
热心网友
时间:2024-03-28 20:11
1.原式=-3/4×8/3×(-4/9)×(-3/2)
=-4/3
2.原式=63×(-13/9)+(1/7)×(-10/9)
=-91-10/63
=-91又10/63
假分数是 -5743/63