Joke Collection Website - Talk about mood - There is no calculation. Can you judge whether the following calculation is correct? Tell me your reasons. 0.9x 1.5= 13.5 9.9x7
There is no calculation. Can you judge whether the following calculation is correct? Tell me your reasons. 0.9x 1.5= 13.5 9.9x7
0.9≈ 1
0.9× 1.5≈ 1× 1.5= 1.5
13.5 is much more than 1.5.
So 0.9x 1.5 = 13.5 is wrong.
9.9≈ 10
9.9×7. 1≈ 10×7. 1=7 1
So 9.9×7. 1=60.29 is wrong.
1.5> 1
The product should be greater than 2.8, so 2.8× 1.5=2.4 is wrong.
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