(1)38+232?50(2)93?712+548(3)(2+5)(2?5)(4)3×(48-325

(1)38+232?50(2)93?712+548(3)(2+5)(2?5)(4)3×(48-325)
2025-04-12 10:34:02
推荐回答(1个)
回答1:

(1)原式=6

2
+8
2
-5
2
=9
2


(2)原式=9
3
-14
3
+20
3
=15
3


(3)原式=(
2
)2-(
5
) 2=2-5=-3;

(4)原式=
3
×
48
-
3
×3
25
=48-15
3