问题
解答题
|
答案
①1.26÷0.28=4.5;
②0.42×12.5=5.25;
0.42 × 12.5
. 210
84
42 5.250
验算:
12.5 × 0.42
. 250
500 5.250
③5.4÷0.36=15;
15 36 540
36 180
180 0
④9.52÷1.2≈7.93;
7.933 12 95.2
84 112
108 40
36 40
36 4
⑤35.4-19.862=15.538;
35.4 - 19.862
. 15.538
⑥27÷0.18=150.
150 18 2700
18 90
90 0