北师大版六年级数学上册期末总复习——计算题
1.直接写出得数。(4分)
453+198= 10-0.03= 3.4×= 0.1÷0.01=
4×0.025= 13÷= 4.5-0.75-= 5×4÷5×4=
0.2= 9.7+0.03 = 78×9.9+7.8= 2-0.2%=
×0÷0.18= += 1-×4+4×= 0.18÷0.2=
3500-700= 0.4×0.2= 9-0.9= 24÷2/11= 204÷2= 1/2+1/3= 2/5+7/8= 0.9+99×0.9=
56+37= 80-16= 31.5+5= 12-1.1= 1.2×0.2=
542+1358 = 0.5 = 0.4×0.05 = 9.6÷0.03 =
8×26×25 = 1÷(1÷4)= 15-(-6)= 1-- =
脱式计算。(10分)
5.04×6.5–2.76
1.8×(4.7-3.87÷0.9) 9.72×1.6-18.305÷7
(-)÷ ×0.375+÷
1.5 ×8.4 + 3 × 0.3 + 15 ×10% 30×(+-)
× + × ÷ + ÷
4×0.8×2.5×12.5 0.65×14+87×65%-65%
7÷-× [1÷(0.75+)]×
42÷[14-(50-39)] 2.25×4.8+77.5×0.48
①9 -0.64-0.36 ②1.8×1/4+2.2×25% ③6.25-40÷16×2.5
①308×16-14874÷37 ②(10/3 +3/4 -21/8 )×1 ③3.5÷5/8 ×5/15
④0.8×2.7+7.3÷15/4 ⑤9.8÷[28×(1-1/7 )+27/5 ]
①÷(-)×(-) ② 9×4.25+4×
③-0.6×(2-1.75) ④(6-3)÷(13+11)
⑤(2.5-0.125)×0.8+6.24 ⑥ 3÷÷÷4
1375+450÷18 (36×17-12)÷15 (2.5-0.125)×0.8+6.24
28×[(201-77)] 35÷[(--)×6]
3、求未知数x。(12分)
= 0.6x+3×2.5 = 67.5 X-18%=65.6
X-30%X=280 1-X= 120%x+x =44
= 0.6x+3×2.5 = 67.5 4(x+0.2)= 1.2
x×(+)= 67.5 4(x+0.2)= 1.2 x×(+)= 67.5
2x+3×0.9=24.9 7.5:x=24:12 3x-6 =8.25
①12 -4x=2 ②38:x=4.75:1 ③1/3 x+5/6 x=1.4