计算.(能简算的要简算)(1)(48× 3 4 +64)÷25%(2) 2 3 ×37.5%+ 5

2025-04-14 23:59:59
推荐回答(1个)
回答1:

(1))(48×
3
4
+64)÷25%,
=(36+64)÷
1
4

=100×4,
=400;

(2)
2
3
×37.5%+
5
8
×
2
3

=
2
3
×(37.5%+
5
8
),
=
2
3
×(0.375+0.625),
=
2
3
×1,
=
2
3