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六年级上册数学简便计算练习题六年级数学计算题练习 43311542.85.6+3.42 +280% 1.7 +2.3 2.647+3.36 + 7.4+4 +2.6+5 5887799 53118217424( + ) 0.1252 32 ( + )27 1.252 +3 0.8 128629327105 1159294163262 + 6.28 +6.282 101 1371371373100 531327778.752 (1 +3 ) 21 3 4.41.61 9 +3 2 64675101010 71175441 9.9 0.5 4.5 2 6.28 +6.282 1055945731531328.752 (1 +3 ) 21 3 4.41.61 873.6 6467557152457171100 2 9511996182573612132 6.62.56 93.53 87 2527 155 14 64.2870.6421300 78367.87417 155151323 649 4.6+3 +6 +5.4 5551564181782530.65140.65 1258.8 4.81.01 3.273.27 7137134 0.4 5131771131178 162.5 0.1250.5 2.42+4.58143 382242112