(1)1⼀8×75%÷1⼀8×75%

2025-04-13 06:37:48
推荐回答(1个)
回答1:

(1)1/8×75%÷1/8×75%
=75%×75%
=9/16
(2)(6.9+6.9+6.9+6.9)×25%
=6.9x4x25%
=6.9
(3)70%×24.5+0.7×76.5-70%
=0.7x(24.5+76.5-1)
=0.7x100
=70
(4)7/6-(40%+3/5)×5/6
=7/6-5/6
=1/3
(5)(1÷75%+1 5/6×2)×0.3
=(4/3+11/3)x0.3
=5x0.3
=1.5