六年级上册数学简便计算练习题.doc

1、2.85.6+3.42 +280% 1.7 +2.3 2.647+3.36 + 7.4+4 +2.6+545 38 38 1717 59 4924( + ) 0.1252 32 ( + )27 1.252 +3 0.8512 3816 12 8923 127 710 45262 + 233 6.28 +6.282 1011113 57 91327 913 1923 47 13 631008.752 (1 +3 ) 21 3 2600(26002+26004) 4.41.6156 34 16 37 259 +3 2 9.9 0.5 4.5710 710 710 710 15 15 + 6+ +

2、2 522 51112251516 27 5716 352534 7954452.85.6+3.42 +280% 1.7 +2.3 2.647+3.36 + 7.4+4 +2.6+545 38 38 1717 59 4924( + ) 0.1252 32 ( + )27 1.252 +3 0.8512 3816 12 8923 127 710 45262 + 233 6.28 +6.282 1011113 57 91327 913 1923 47 13 631008.752 (1 +3 ) 21 3 2600(26002+26004) 4.41.6156 34 16 37 259 +3 2 9

3、.9 0.5 4.5710 710 710 710 15 15 + 6+ + 2 522 51112251516 27 5716 352534 7954452.85.6+3.42 +280% 1.7 +2.3 2.647+3.36 + 7.4+4 +2.6+545 38 38 1717 59 4924( + ) 0.1252 32 ( + )27 1.252 +3 0.8512 3816 12 8923 127 710 45262 + 233 6.28 +6.282 1011113 57 91327 913 1923 47 13 631008.752 (1 +3 ) 21 3 2600(26002+26004) 4.41.6156 34 16 37 259 +3 2 9.9 0.5 4.5710 710 710 710 15 15 + 6+ + 2 522 51112251516 27 5716 352534 795445