题目内容
3.2+3.2+3.2+3.2+3.2=________×________=________.
3.2 5 16
分析:根据题意,由小数乘整数的意义,求几个相同加数的和的简便运算,再进一步解答即可.
解答:根据题意,由小数乘整数的意义可得:
3.2+3.2+3.2+3.2+3.2=3.2×5=16.
故答案为:3.2,5,16.
点评:本题主要考查小数乘整数的意义.
分析:根据题意,由小数乘整数的意义,求几个相同加数的和的简便运算,再进一步解答即可.
解答:根据题意,由小数乘整数的意义可得:
3.2+3.2+3.2+3.2+3.2=3.2×5=16.
故答案为:3.2,5,16.
点评:本题主要考查小数乘整数的意义.

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例:
3÷3+3-3=1 33÷33=1(1)
① 3 3 3 3=1 |
② 3 3 3 3=2 |
③ 3 3 3 3=3 |
④ 3 3 3 3=4 |
⑤ 3 3 3 3=5 |
⑥ 3 3 3 3=6 |
⑦ 3 3 3 3=7 |
⑧ 3 3 3 3=8 |
⑨ 3 3 3 3=9 |
⑩ 3 3 3 3=10 |
(2)

① 3 3 3 3=1 |
② 3 3 3 3=2 |
③ 3 3 3 3=3 |
④ 3 3 3 3=4 |
⑤ 3 3 3 3=5 |
⑥ 3 3 3 3=6 |
⑦ 3 3 3 3=7 |
⑧ 3 3 3 3=8 |
⑨ 3 3 3 3=9 |
⑩ 3 3 3 3=10 |
① 3 3 3 3=1 |
② 3 3 3 3=2 |
③ 3 3 3 3=3 |
④ 3 3 3 3=4 |
⑤ 3 3 3 3=5 |
⑥ 3 3 3 3=6 |
⑦ 3 3 3 3=7 |
⑧ 3 3 3 3=8 |
⑨ 3 3 3 3=9 |
⑩ 3 3 3 3=10 |
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0.24+0.6= | 0.64×0.03= | 7.8+2.2-1.5= | 8×0.05= |
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0.35×2= | 2.9×0.3= | 10-0.9= | 5.67×0= |
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2.5×4= | 0.8+2.7×2= | 0.05×7= | 4.8+2.1+7.9= |
3.4-1.8= | 2.5+0.2×2= | 0.02×0.1= | 5.4-2.8= |
0.3×0.2= | 3.5×2×0.1= | 0.3×0.3= | 0×10.3×2.2= |
0.12×0.7= | 0.2×0.5= | 0.92×0.4= | 6.7-1.43= |
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