题目内容
看谁算得对.
2×6= | 8÷4= | 32+16= | 27÷9= | 7×4= |
63÷7= | 12÷3= | 64÷8= | 9×9= | 3×3= |
3×6+4= | 28÷7+3= | 12÷4+2= | 2×9+12= | 9×4-13= |
23+66= | (18-3)÷3= | 7×7-4= | (22-12)÷2= | 72÷9-3= |
(4+3)×7= | 1×2+8= | 21÷3×3= | 2×8+6= |
分析:利用乘法口诀,进行表内乘除法的计算.
解答:
故答案为:12,2,48,3,28,9,4,8,81,9,22,7,5,30,23,89,5,45,5,5,49,10,21,22.
解:2×6=12, | 8÷4=2, | 32+16=48, | 27÷9=3, | 7×4=28, |
63÷7=9, | 12÷3=4, | 64÷8=8, | 9×9=81, | 3×3=9, |
3×6+4=22, | 28÷7+3=7, | 12÷4+2=5, | 2×9+12=30, | 9×4-13=23, |
23+66=89, | (18-3)÷3=5, | 7×7-4=45, | (22-12)÷2=5, | 72÷9-3=5, |
(4+3)×7=49, | 1×2+8=10, | 21÷3×3=21, | 2×8+6=22. |
点评:此题考查表内乘除法的计算方法,熟记口诀,正确计算.
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