题目内容

口算.
0.24+6.9=9.1-7.3=1.2×6=7.2+2.8=
31×3=24×5=1000÷8=0.8×0.6=
1.25×4=300÷50=480÷0.6=0.15×9=
3.4×0.7=2.2×3=0.2×1.1=2.1÷0.3=
2
5
+
1
5
=
5
8
-
3
8
=
5
9
+
4
9
=
1-
1
4
=
0.24+6.9=7.149.1-7.3=1.81.2×6=7.27.2+2.8=10
31×3=9324×5=1201000÷8=1250.8×0.6=0.48
1.25×4=5300÷50=6480÷0.6=8000.15×9=1.35
3.4×0.7=2.382.2×3=6.60.2×1.1=0.222.1÷0.3=7
2
5
+
1
5
=
3
5
5
8
-
3
8
=
1
4
5
9
+
4
9
=1
1-
1
4
=
3
4
故答案为:7.14,1.8,7.2,10,93,120,125,0.48,5,6,800,1.35,2.38,6.6,0.22,7,
3
5
1
4
,1,
3
4
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