计算: (1)(
(2)
|
(1)原式=(5
-22
)÷2
=32
÷2
=3;2
(2)原式=
×23 2
×(-15)×(-5
×41 3
)3
=
×2×(-15)×(-3 2
)×4×(1 3
×5
)3
=60
.15
计算: (1)(
(2)
|
(1)原式=(5
-22
)÷2
=32
÷2
=3;2
(2)原式=
×23 2
×(-15)×(-5
×41 3
)3
=
×2×(-15)×(-3 2
)×4×(1 3
×5
)3
=60
.15