四年级下册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+6.66??? ??3.82+2.9+0.18+9.1 25.48-((9.4-0.52)????? ????35.6-1.8-15.6-7.2??? ??5.93+0.19+2.81??????? ???7.3+2.7-7.3+2.7?? 48.4+2.78+51.6-0.78?? ????23.4+0.8-13.4-7.2???? ????4.8+8.63+5.2+0.37???? ??3.07-0.38-1.62? 1.27+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+1.75??????? ????13.75-(3.75+6.48)??? ????7.14-0.53-2.47??????? ????13.45-4.68+2.55 ?47.8-7.45+8.2? ???36.8-4.5+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+3.4-0.23???? ?6.02+3.6+1.98???????? ????????3.07-0.38-1.62????? ?????7.5+4.9-6.5? 36.8-3.9-6.88?????? ???????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?? 用简便方法计算。? (1)27.3+73.2+72.7?? ??????(2)?585+189+215???? ??(3)?5.85－1.75－0.25?? (4)768－274－126? (5)?5.85+1.89+2.15???? ???(6)24.8+14.6+15.4?? ? (7)42.5－22.17－7.83???? ?(8)3.8+1.37+6.2+12.63??????? 17.05－(2.05－6.4)???? ????3.73+5.28+4.27+4.72
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