3⼀4×2点84除以三又五分之三除一又1⼀2×1点42的积乘以五分之四

3/4×2点84除以三又五分之三除一又1/2×1点42的积乘以五分之四
2025-06-24 01:58:00
推荐回答(1个)
回答1:

3/4×2.84÷3又3/5÷(1又1/2×1.42)×4/5
=(3/4÷1又1/2)×(2.84÷1.42)×(4/5÷3又3/5)
=0.5×2×2/9
=2/9