问题
解答题
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答案
(1)15.2÷4=3.8;
3.8
415.2
12 32
;32 0
(2)11.7÷25=0.468;
0.468
2511.7
100 170
150 200
;200 0
(3)3.842÷34=0.113;
0.113
343.842
34 44
34 102
;102 0
(4)0.78÷12=0.065;
0.065
120.78
72 60
.60 0