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简介:
12.43+(2.57+10.79)=25.79 3.04+(0.59+3.96)=7.59
4.36+(3.64+5.85)=13.85 1.82+(2.18+0.74)=4.74
0.53+4.19+18.47=23.19 11.57+(2.58+1.43)=15.58
12.38+(10.53+3.62)=26.53 3.21+5.04+16.79=25.04
9.96+1.96+0.04=11.96 3.73+0.28+11.72=15.73
1.08+5.92+8.92=15.92 8.8+1.08+12.92=22.8
2.17+0.98+14.02=17.17 4.96+(4.04+9.41)=18.41