A.1-1 B.-1-1 C.0-1 D.0+1
[单选题]:39-1,38+2,37-3,36+1,35-2,34+3,…第40项为( )A.1-1 B.-1-1 C.0-1 D.0+1
【例2】某校检测20名女生的体重如下:(单位:千克)35,31,33,35,37,39,35,38,40,39,36,34,35,37,36,32,34,35,
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 25 26 27 28 29 30 31 32 33
[单选题]:1×3,2×2,1×1,2×3,1×2,2×1,1×3,…第40项为( )A.1×3 B.2×3 C.3×1 D.2×1
[单选题]1×3,2×2,1×1,2×3,1×2,2×1,1×3,…第40项为( )A.1×3 B.2×3 C.3×1 D.2×1
[试题]计算:(1)-34(2)-(-3)3(3)-(-2/3)4(4)(4/5)2(5)-3/22(6)-(-2/5)3
()35 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 62 63
[单选题]2,5,1,12,3,2,2,14,2,1,7,36,4,( ),3A.1B.2C.3D.4
[单选题]温水浴水的温度是A.35~36℃B.36~37℃C.37~38℃D.38~39℃E.39~40℃
[主观题]计算:(1)36×(1/2-1/3)2(2)12.7÷(-8/19) ×0(3)4×(-3)2+6(4)(-3/4)×(-8+2/3-1/3)(5)(-2)3-13÷(-1/2)(6)0-23÷(-4)3-1/8(7)(-2)3×0.5-(-1.6)2÷(-2)2(8)(-3/2)×[(-2/3)2-2](9)[(-3)2-(-5)2] ÷(-2)(10)16÷(-2)3-(-1/8) ×(-4)