直接写得数.8.3-2.9= 1 4 + 2 3 = 26÷5= 70.9+29.2≈ 5 6 ×

直接写得数.8.3-2.9= 1 4 + 2 3 = 26÷5= 70.9+29.2≈ 5 6 × 4 15 = 3÷0.25= 2 5 : 4 15 = 483÷8≈
2025-01-20 03:05:28
推荐回答(1个)
回答1:

8.3-2.9=5.4,
1
4
+
2
3
=
11
12

26÷5=5.2,

70.9+29.2≈100,
5
6
×
4
15
=
2
9
3÷0.25=12,
2
5
4
15
=
3
2
483÷8≈60.