问题
解答题
2.36×9.9=2.36×10-0.1=23.5______.(判断对错)
答案
2.36×9.9
=2.36×(10-0.1)
=2.36×10-2.36×0.1
=23.6-0.236
=23.364
23.364≠23.5
故答案为:×.
2.36×9.9=2.36×10-0.1=23.5______.(判断对错)
2.36×9.9
=2.36×(10-0.1)
=2.36×10-2.36×0.1
=23.6-0.236
=23.364
23.364≠23.5
故答案为:×.