小学五年级数学下册期末复习试题
㈠、直接写出得数(共10分)
10-0.01= 3.291000= 3.07307= (-6)+(-4)=
0-(-6)= (-200)(-1.5)= (-12)-(-1.2)=
(-14.4)12= -7-2.9 = 0.495.3 (保留两位小数)
㈡、解方程(共12分)
8x+2x=1.26 4.5-x=2x+6
6-x=3(5-x) 38-8(4-x)=7x+2
㈢、递等式计算,能简便运算的要简便方法计算。(共24分)
128-423+16 9.8+1.26+0.2+2.74
= =
11+0.560.2 1.7534.2+8.2534.2
= =
(1.2+10.561.2)5 37.61.250.253.2
= =