计算,能简算的要简算.16.75-(6.75+3.15)(29+67

2025-06-21 20:16:12
推荐回答(1个)
回答1:

(1)16.75-(6.75+3.15),
=16.75-6.75-3.15,
=10-3.15,
=6.85;

(2)(

2
9
+
6
7
×
7
18
)÷
7
6

=(
2
9
+
1
3
÷
7
6

=
5
9
×
6
7

=
10
21


(3)25×1.25×32,
=(25×4)×(1.25×8),
=100×10,
=1000;

(4)(3.75+4.1+2.35)×9.8,
=10.2×9.8,
=99.96.