问题 解答题
列竖式计算.
①1.26÷0.28=

②0.42×12.5=(要验算)

③5.4÷0.36=
④9.52÷1.2(保留两位小数)⑤35.4-19.862=⑥27÷0.18=
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
36540

36
180

180
0

④9.52÷1.2≈7.93;

7.933
1295.2

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
182700

18
90

90
0

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