3、小数加减法计算题 2.98+0.56 5.64-1.78 12.53+4.67 7.2-6.45 6.07+4.89 5-0.41 2.5+0.9 1.2-0.5 7.8+1.6 4.7-2.8 0.39+0.15 3-1.4 3.64+0.48 8.24-3.56 21.56+6.74 41.2-15.6 7.85+9.19 50-37.5 1.37+8.95 9.8+6.28 14.5+5.74 6.52-3.44 62.1-17.7 0.704-0.25 483.4-（39.5+98.8） 165+80.7+99.4 0.4+8.7 1.4-0.9 4.5+3.6 7.1-3.5 0.28+0.54 5-2.7 21.6+5.47 16.8+5.47 37.82+5.74 3.45+0.6 4.5+13.5 7.8-0.62 36.7-19.4+35.8 1.28+3.7+2.46 6.07+0.4-0.08 2-0.4-0.8 4.01-3.5+0.31 19.92+14.4-9.92 85.7-（15.3-4.8）9.5+4.85-6.13 75.43-2.68-17.32 33.8-12.08+3.02 5.44+6.31-3.31 90-（4.15-2.5+0.85） 16.09+5.3+1.007 2.91+1.2-0.91 1.98-0.25-0.68 2.63+1.8-0.63 10.49+3.3+0.7 4.5-7.8+5.5 0.34+0.45 1.3-0.7 0.57+0.9 8-4.6 3.8+0.12 0.6-0.37 7.83+1.67 6.12-3.58 0.8+0.4 0.5-0.2 0.74-0.2 3.2+0.7 2.6-1.6 6.3-0.3 1.65+0.01 0.82-0.8 5.9-0.9 3.56+1.35 8.2+1.28 本文来源：https://www.wddqw.com/doc/4b37870558cfa1c7aa00b52acfc789eb172d9ea5.html