脱式计算。(能简算的要简算)?
2.95+1.47-3.1821.4-(1.6+0.4)18.1+6.4+3.6+0.93.67+1.97+2.3316.2-(3.7+1.3)10.01-(6-0.99...
2.95+1.47-3.18
21.4-(1.6+0.4)
18.1+6.4+3.6+0.9
3.67+1.97+2.33
16.2-(3.7+1.3)
10.01-(6-0.99) 展开
21.4-(1.6+0.4)
18.1+6.4+3.6+0.9
3.67+1.97+2.33
16.2-(3.7+1.3)
10.01-(6-0.99) 展开
1个回答
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2.95+1.47-3.18
=2.95-(3.18-1.47)
=2.95-1.71
=1.24
21.4-(1.6+0.4)
=21.4-2
=19.4
18.1+6.4+3.6+0.9
=(18.1+0.9)+(6.4+3.6)
=19+10
=29
3.67+1.97+2.33
=3.67+2.33+1.97
=6+1.97
=7.97
16.2-(3.7+1.3)
=16.2-5
=11.2
10.01-(6-0.99)
=10.01-6+0.99
=10.01+0.99-6
=11-6
=5
以上信息仅供参考,麻烦请及时采纳回答,谢谢!
=2.95-(3.18-1.47)
=2.95-1.71
=1.24
21.4-(1.6+0.4)
=21.4-2
=19.4
18.1+6.4+3.6+0.9
=(18.1+0.9)+(6.4+3.6)
=19+10
=29
3.67+1.97+2.33
=3.67+2.33+1.97
=6+1.97
=7.97
16.2-(3.7+1.3)
=16.2-5
=11.2
10.01-(6-0.99)
=10.01-6+0.99
=10.01+0.99-6
=11-6
=5
以上信息仅供参考,麻烦请及时采纳回答,谢谢!
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