优质解答
小数简便运算 4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48) 3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47 5.27+2.86-0.66+1.63 ...
小数简便运算 4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48) 3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47 5.27+2.86-0.66+1.63 ...