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1、-六年级毕业简便计算-第 3 页3.6+9.7+6.4 12.54.98 3.62.54 15.68+114.7+84.322.89+2.7+7.3+3.21 8.8-6.75+9.2-0.25 4+3.25+6.8 12(1+2) 4001258 25(378) 3.4993.4()12 12 34(2) 1258.8 4.354.253.653.75 17.158.471.53 1734 2 0.1250.2532 22.32.455.34.55 (+)72 4.253(21) 187.711187.7 2.42+4.5843 6.62.5 + (+) 5-7899 56102 83101
2、-83 74+749972156-5672 2532125 70999+709 2.50.42 26.6+2.56 75.399+75.3 4.63.7+540.37 9.632.548.37-3.25-(1.37+1.75) + 18(+) 7+5 5841 () 0.52.512.564 1258 153 0.653 25 ()1511 3441.7 1.250.8 8+2- 1027.35.1 17+-7 33 1 11+7+3 18.62.50.4 7+(-) 36 1.25( 8 0.5) 0.25( 4 1.2) 38 0.921.410.928.59 - 1.311.61.61.
3、3 11.618.4 3.212.525 1.2588 3.60.25 1.8991.8 3.89.90.38 103-2- 5.3+2.725% 1020.87 2.69.9 0.6710.16.7 31+ + 1.019.6 13.527+13.572+13.5 1.57.4+0.6150%+2 23.89.92.38 ()36 2821.62.816 5.61.70.5683 87 (54 )9 23.89.92.38 +34(2) 75%(100%)25% () () () 1() 6.75(3.60.93) (0.25)() 3.681(22.09) 3718.5212.61.48 ()