综合计算题Microsoft Word 文档.docx
《综合计算题Microsoft Word 文档.docx》由会员分享,可在线阅读,更多相关《综合计算题Microsoft Word 文档.docx(6页珍藏版)》请在冰豆网上搜索。
综合计算题MicrosoftWord文档
一、口算
1.5×4=5.8+1.2=45×0.2=4.08÷8=
0.54÷0.6=3.1-2.9=0.12÷3=0.4×0.7=
0.32×1000=7÷100=0.8+0.02=0.84÷0.3=
3.68÷0.01=9+1.5=0.4×0.5=0.44+0.6=
2.5×0.4=0.125×8=3.6÷0.4=3.92+7.2=
0.5×83.6×0.439.68×047.6×1
4÷0.512÷0.0612÷1.23÷302.5×4×0.360.2+0.8×0.56.03×10003.2×6+3.2×4
10×0.6=6.45×0.01=0.1×0.1=0.24×0.5=
5.4+3.6=1.25-0.25=10.2×4.5=0.15×7=
2.5×6=0.6×0.15=9×0.25=0.125×4=
1.25×8×0.516×0.011.78÷0.3=0.27÷0.003=
0.01÷0.1=1.8×20=x-0.4x=5d-2d=3.6÷0.4=0.6×0.8=2.4×3=0.12×0.7=4÷5=
1.6÷0.5=0.2÷0.05=2.5×2.3×4=1.5÷1.5+1.5=3.6-1.2÷2.4=4.7×6+4×4.7=
0.5×4÷0.5×4=38.5×0×0.38=
0.6×0.83×0.92.5×0.43.6×0.412.5×850×0.0480×0.31.1×9
二、竖式计算
竖式计算。
(第(3)(5)题得数保留一位小数,第(6)题要验算,其中第(3)(5)(6)每题6分,其它每题4分,共30分)
(1)7.6×0.9
(2)10.5×0.3(3)4.25×0.18
(4)0.3÷0.12(5)104.78÷26(6)34.2÷0.8
竖式计算(得数保留一位小数)
0.43×0.29≈52.6×0.23≈
4.58×0.37≈
竖式计算(得数保留两位小数)
4.3×8.14≈27.6×0.45≈20÷12
2.9×1.8≈ 5.08×0.25≈
竖式计算(得数保留三位小数)
2.5÷0.7=2.5÷0.7=3.25×9.04
竖式计算(用循环小数表示商)
36.8÷1610.1÷3.3
15.3÷110.78÷1
用竖式计算
8.08-2.68=5.546+29.38=17.04×
0.26=8.35×3.5=
三、递等式计算,能简算的要简算。
8.7×10.17.06×2.4-5.76.35÷0.8÷1.25
2.5×6.8×0.42.5×3.2×1.2521.36÷0.8×2.9
102×0.458.27+7.52+1.73-3.520.79×99+0.79
0.15+0.75×1872+8÷2.5-30.22.8×3.2+3.2×7.2
(2.65+2.77)÷(1.98-0.98)3.7×91.6+6.3×91.6
0.45×12×0.2 6.2×2.1-2.1
2.8-2.8×0.15 2.8×1.43+0.57
10-6.06+8.5 6×0.25×1.8
144÷3.6+27.20.87×3.16+4.646.8×0.75÷0.5
13.75÷0.125–2.7553+23.4÷7.2
28-(3.4+1.25×2.4)(31.8+3.2×4)÷5
31.5×4÷(6+3)0.64×25×7.8+2.2
2÷2.5+2.5÷2194-64.8÷1.8×0.9
36.72÷4.25×9.95180-705×6
24÷2.4-2.5×0.83.416÷(0.016×35)
2.881÷0.43-0.24×3.5
65×10.10.25×32×12.5
2.6×25.2+25.2×7.49.9×15
3.6+6.4×0.24(9.28+9.28+9.28+9.28)×2.5
四、用简便方法计算下面各题。
5.12+2.54+4.88 12.5×17.8×0.8
9.9×2.5 9.4×5.8+10.6×5.8
0.125×0.32×0.259.6+9.6×99
2.8×7.6+1.4×2.8+2.86.3×10.1
0.25×3.2×12.512.5×9.7?
12.5×8.7
3.7×91.6+6.3×91.616.84÷40÷0.25
12.5×0.4×2.5×89.5×101
4.2×7.8+2.2×4.22.55×7.1+2.45×7.1
五、解方程
4(x+0.3)=4.81.2x-0.8x=9.620+x=36
7x-55=590.7x=4.2(10-7.5)x=1
X×1.8=0.9720.06×X=1.02
X÷0.13=0.712.4÷X=31
列式计算(6分)
1、一个数的25倍是37.75,这个数是多少?
2、比47.88与3.8的商大42.5的数是多少?
3、1.25乘4.2减5,差是多少?
4、比4.7的1.5倍多3.05的数是多少?
5、一个数的25倍是37.5,这个数是多少?
6、比47.88与3.8的商大42.5的数是多少?
7、60比一个数的3倍少30,这个数是多少?
8、一个数的4倍比60多24,这个数是多少?
9用14.81与5.19的和,乘以它们的差,积是多少?
10、126.8与15.7的和,乘以1.02,积是多少?
11、0.6乘0.8的积加上0.12后,再除以1.2,商是多少?