问题
解答题
66÷6=______ 350÷50=______ 75÷5=______ 720÷8=______ 50×9=______ 804×3=______ 102×4=______ 400×5=______ 5000-2500=______ 8900-600=______ 480+320=______ 1420+580=______ 1+
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答案
66÷6=11
350÷50=7
75÷5=15
720÷8=90
50×9=450
804×3=2412
102×4=408
400×5=2000
5000-2500=2500
8900-600=8300
480+320=800
1420+580=2000
1+
=12 9 2 9
+1 8
=1 8
,1 4
-4 7
=1 7 3 7
+1 14
=4 14 5 14
故答案为:11,7,15,90,450,2412,408,2000,2500,8300,800,2000,1
,2 9
,1 4
,3 7
.5 14