内容正文:
第 1 页 共 11 页
百分数的计算专项练习 79 题(有答案)
(1)17×75%﹣17×25%,
(2) ×75%+ ×
(3)12×(50%+ )
(4)12.5%×56×
(5)300×(1+20%)
(6)45÷(1﹣10%)
(7)42÷(1﹣93%)
(8) 180×(1+20%)
(9) 60÷(1﹣60%)
(10)201×85%,
(11)400×80%+600×20%,
(12)250×(8+20%),
第 2 页 共 11 页
(13) ×40%+ ×60%
(14) ÷( ﹣60%)÷40%
(15) × ×80%
(16)4.15﹣3.15×10%﹣
(17)15×(40%+ )
(18)42÷(1﹣93%)
(19)60+40×25%,
(20)(1﹣20%)×30%,
(21)80÷(1﹣84%),
(22)1.3×35%+8.7×35%,
(23)360÷ ×360%,
(24)60%﹣ × ,
第 3 页 共 11 页
(25)7.32×125%+2.68×125%,
(26)[(25%﹣ )× ]÷0.375,
(27) ×36%+36%×
(28)24%×( + )
(29) ×36%+36%× ,
(30)48%×10.7﹣0.7×48%,
(31) 0.42+ ×42%,
(32) +25%×75%,
(33)(0.75+0.2)÷0.25×250%,
(34)8÷ ×125%,
(35)5.6÷70%+
(36)( +12%)×
第 4 页 共 11 页
(37)125%÷5×4
(38)6.4×25%+5.2×15%,
(39)12.5%×0.25×4×8,
(40)87.5%× +12.5%× ,
(41) +55%
(42)26.5×20%+ ×13.5,
(43)11.8﹣( +30%),
(44)25×12.5×80%,
(45)35×10%+18.5÷50%,
(46) ×24﹣3.2÷25%,
(47)125%X﹣X=28,
(48)(1+40%)X=98,
第 5 页 共 11 页
(49) 1﹣20%X= ,
(50) 1+20%X= ,
(51) +24%
(52)117%﹣1.04
(53) ×4.6+ ×25%
(54)1200×0.5%+2400
(55)