10道小数加法交换律简便计算

2024-11-17 11:30:03
推荐回答(2个)
回答1:

12.7+0.98+3.02+5.3

24.52-(7.5+4.52)

4.16+27.35+6.84

23.75-8.64-3.36

19.83-(9.83+6.39)

3.45+8.7+16.55+1.3

(9.6+10.4)+1.1

10+9.6+10+0.4

9.4+10.6-10

1.4+1.4+2.2

56.8+43.2-10

回答2:

12.7+0.98+3.02+5.3
24.52-(7.5+4.52)
4.16+27.35+6.84
23.75-8.64-3.36
19.83-(9.83+6.39)
3.45+8.7+16.55+1.3
(9.6+10.4)+1.1
10+9.6+10+0.4
9.4+10.6-10
1.4+1.4+2.2
56.8+43.2-10