题目内容
观察等式,发现规律,写出得数.
(1)1.1 ×1.2=1.32 |
(2)1.1 ×2.1=2.31 |
(3)1.1 ×3.1=3.41 |
1.1 ×1.3=1.43 |
1.1 ×2.2=2.42 |
1.1 ×3.2=3.52 |
1.1 ×1.4=1.54 |
1.1 ×2.3=2.53 |
1.1 ×3.3=3.63 |
1.1 ×1.5=____ |
1.1 ×2.4=____ |
1.1 ×3.4=____ |
1.1 ×1.6=____ |
1.1 ×2.5=____ |
1.1 ×3.5=____ |
1.1 ×1.7=____ |
1.1 ×2.6=____ |
1.1 ×3.6=____ |
答案:1.65,1.76,1.87;2.64,2.75,2.86;3.74,3.85,3.96
解析:
解析:
(1)1.1 ×1.5=1.65;1.1 ×1.6=1.76;1.1 ×1.7=1.87;(2)1.1×2.4=2.64; 1.1×2.5=2.75; 1.1×2.6=2.86; (3)1.1×3.4=3.74 1.1×3.5=3.85 1.1×3.6=3.96 |
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