问题
解答题
|
答案
75÷25=3,
3
25 75
,75 0
9.4÷4=2.35,
2.35
4 9.4
8 14
12 20
,20 0
3.78×0.4≈1.51,
3.7 8
,×0.4 1.512
1.2×0.415≈0.5.
0.4 1 5
×1.2 830
415 0.4980
|
75÷25=3,
3
25 75
,75 0
9.4÷4=2.35,
2.35
4 9.4
8 14
12 20
,20 0
3.78×0.4≈1.51,
3.7 8
,×0.4 1.512
1.2×0.415≈0.5.
0.4 1 5
×1.2 830
415 0.4980