小数四则混合运算专项练习题(能简便的要简便) .pdf
276题(能简便的要简便运算)
(1)0.11X1.8+8.2X0.11(13)1.25X2.4
(2)2.34X99+2.34(14)5.85-(1.3+0.5)X6.
(3)5.4-2.7X0.8(15)17.17-6.8-3.2-6.17
(4)132X101(16)5.4X[(1.3+2.15)-0.2]
(5)6.25-1.25-0.8(17)8.4-0.6+8.4-0.4
(6)2.5X16.(18)16.8X10.1
(7)6.33X101-6.33(19)10.9-0.9-0.2+1.8
(8)1.56X1.7+0.44X1.7(20)1.25X3.2X0.25.
(9)1.8X[(3.41-2.9)-0.03](21)1.36+4.85+2.64+6.15
(10)0.125X32X2.5.(22)98.5-2.5-4
(11)1.258X18.5-0.258X18.5(23)5.4-[2.5X(3.7-2.9)]
(12)8.48-0.8X0.9(24)0.8X(4-3.68)-0.01
83.7-12.83-0.17(38)25.46-8.23-1.76
(25)
5.96+13X(3.2-3.12)(39)2.9+7.1X10
(26)
4.32-2.4X1.7;(40)1.25X32X0.25.
(27)
16.2X4.5+3.8X4.5;(41)15.68-(7.78-4.32)-2.32
(28)
9.05-3.86-3.14;(42)0.25X3.2X1.25
(29)
7.28+0.72-0.9(43)9.99X1.01
(30)
4.32+5.43+6.68(44)4.63X1.4+46.3X0.86
(31)
17.17-6.8-3.2(45)17.5-0.8-12.5
(32)
5.29X9+5.29