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= 3.202300= 3.20237= (-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 1.2023.2+8.2023.2 = = (1.2+10.561.2)5 37.61.250.253.2 = = |