1、 四年级小数加减混合运算题25.6-(0.23+5.6)-1.77 13.75-(4.75+6.48) 7.83+2.34-0.83+6.663.82+2.9+0.18+9.1 25.48-(9.4-0.52) 35.6-1.8-15.6-7.25.93+0.19+2.81 7.3+2.7-7.3+2.7 48.4+2.78+51.6-0.7823.4+0.8-13.4-7.2 4.8+8.63+5.2+0.37 3.07-0.38-1.621.27+3.9+0.73+15.1 5.84-1.8-3.2 132.44-(58.74+19.44)7.5+4.8-6.5 3.25+2.76+1.7
2、5 13.75-(3.75+6.48)7.14-0.53-2.47 13.45-4.68+2.55 47.8-7.45+8.236.8-4.5+6.98 49.8-9.6+8.8 15.2-6.8-3.45 1.76+0.65+3.24 0.134+2.66+0.8 7.5+4.9-6.3 3.45+1.79+0.65 4.85+8.63+0.37 1.76+3.44+0.35 36.54-1.76-8.66 8-2.45-1.02 23.4+3.4-0.236.02+3.6+1.98 3.07-0.38-1.62 7.5+4.9-6.536.8-3.9-6.88 3.285+1.79+0.59 23.4-0.8+13.4 32+4.9-8.6 1.29+3.7+2.71 5.93+0.49+2.06 9-2.45-1.65 21+0.56+11.3 64.89-7.88-13.6