问题
解答题
|
答案
1.065×2.5=2.5625;
1.025 × 2.5
. 5125
2050 2.5625
1.86×13.6≈25.3;
1.86 × 13.6
. 1116
558 186
. 25.296
1÷33=0.0• 3
.• 0
0.03030 33 100
99 100
99 10
101.28÷4.8=21.1;
21.1 48 1012.8
96 52
48 42
42 0
验算:
21.1 × 4.8
. 1688
844 101.28