问题
计算题
脱式计算。(能简算的要简算)
|
答案
(1)0.36+0.545+0.45 | |
=0.905+0.45 | |
=1.355 | (2)8.3-0.46-1.237 |
=7.84-1.237 | |
=6.603 | |
(3)23.4-5.85-4.15 | |
=23.4-(5.85+4.15) | |
=23.4-10 | |
=13.4 | (4)39.7+ 20.43+ 0.3+ 9.57 |
=(39.7+0.3)+(20.43+9.57) | |
=40+30 |
=70
(5)14.52-(4.52+7.88)
=14.52-12.4
=2.12
=(15.28+20.72)+28.99
=36+28.99
=64.99