加法简便运算30道

9) 5.96+2.97=
10) 3.25+(3.13+0.75+0.87)=
11) (1.78+0.53)+(1.22+2.47)=
12) (2.38+2.54+0.62)+0.46=
13) (0.32+0.01)+(0.68+0.99)=
14) 2.6+2.95+1.4=
15) 1.74+(1.24+0.26)=
16) 1.44+(4.14+3.56)+0.86=
17) 3.07+(0.56+1.93)=
18) (0.35+0.06+4.65)+4.94=
19) 0.96+(0.58+4.04)+4.42=
20) 7.94+3.98=
21) (0.92+1.06+3.08)+2.94=
22) (1.08+0.68)+(0.92+1.32)=
23) 0.1+0.2+0.9+0.8=
24) 8.04+4=
25) 0.17+0.01+0.83=
26) (1.3+3.91+2.7)+0.09=
27) 5.97+2.93=
28) 3.36+3.37+1.64+1.63=
29) 0.29+(1.05+1.71)=
30) (0.73+2.25+2.27)+0.75=
31) 4.38+1.57+0.62+3.43=
32) 0.49+(0.94+1.51)+1.06=
33) 0.26+0.44+0.74+0.56=
34) 1.58+(0.09+2.42)+3.91=
35) (1.4+0.23+1.6)+2.77=
36) 10.04+4.93=
37) 0.88+(0.86+0.12)+0.14=
38) 4.33+1.73+0.67=
39) (0.32+2.66)+(2.68+0.34)=
40) 1.98+0.95=
41) 0.81+(0.33+0.19+0.67)=
42) 2.61+(1.01+1.39)+2.99=