五年级简便计算题100道 计算下面各题,能简算的用简便方法计算2272-6360÷24[6.85-(0.65+0.7)]÷2.5(910-45×58)÷512 &n
计算下面各题,能简算的用简便方法计算2272-6360÷24[6.85-(0.65+0.7)]÷2.5(910-45×58)÷512 &n
计算下面各题,能简算的用简便方法计算2272-6360÷24[6.85-(0.65+0.7)]÷2.5(910-45×58)÷512 &n
(1)2272-6360÷24
=2272-265,
=2007;
(2)[6.85-(0.65+0.7)]÷2.5
=[6.85-1.35]÷2.5,
=5.5÷2.5,
=2.2;
(3)(
9 10-
4 5×
5 8)÷
5 12=(
9 10-
1 2)×
12 5,
=
×
12 5,
=
;
(4)(
5 8+
1 27)×8+
19 27=
5 8×8+
1 27×8+
19 27,
=8+(
+
19 27),
=8+1,
=9.
脱式计算,能简算的要简算. 46×8-120÷15 [6.85-(0.65+0.7)]÷2.5 712÷9+
(1)46×8-120÷15,
=368-8,
=360;
(2)[6.85-(0.65+0.7)]÷2.5,
=[6.85-0.65-0.7]÷2.5,
=[6.2-0.7]÷2.5,
=5.5÷2.5,
=2.2;
(3)
7 12÷9+
1 9×
5 12,
=
×
1 9+
1 9×
5 12,
=(
+
5 12)×
1 9,
=1×
,
=
;
![五年级简便计算题100道 计算下面各题,能简算的用简便方法计算2272-6360÷24[6.85-(0.65+0.7)]÷2.5(910-45×58)÷512 &n](http://img.zhputi.com/uploads/7a4c/7a4cf56651b1cb239e004eb4cc0ef10116774.jpg)
(4)5.58-
3 5+5.42-
2 5,
=(5.58+5.42)-(
+
2 5),
=11-1,
=10.
计算下面各题.(能简算的要用简便方法计算.) 32×38÷6779×58+79×3815÷(512+56)56×37×25
(1)32×
3 8÷
6 7=12÷
6 7=14;
(2)
7 9×
5 8+
7 9×
3 8=
7 9×(
5 8+
3 8)
=
×1
=
;
(3)15÷(
5 12+
5 6)
=15÷
=12;
(4)
5 6×
3 7×
2 5=
5 14×
2 5=
1 7.
计算下面各题,能简算的用简便方法计算。 18.9×9.9 12.5×8.94×0.8 7.4×0.5+7
18.9×9.9=18.9×(10-0.1)
=189-1.89
=187.11 12.5×8.94×0.8
=(12.5×0.8)×8.94
=10×8.94
=89.4 7.4×0.5+7.4÷0.5
=7.4×(0.5+2)
=7.4×2.5
=18.5 4.92÷2.4
=2.05 6.8×32+32×3.2
=32×(6.8+3.2)
=320 (8.1-5.6)÷0.8+7.75
=2.5÷0.8+7.75
=10.875 5.92×2.5
=14.8 5.6×(12.5-8.5÷0.85)
=5.6×2.5
=5.6÷0.4
=14 3.5×[13-(3.12+5.28)]
=3.5×(13-8.4)
=3.5×4.6
=16.1
计算下面各题,能简算的要用简便方法计算.2400÷75+48×1.5 &...
(1)2400÷75+48×1.5
=32+72
=104
(2)
÷
1 2+(
4 5-
1 5)
=1.75+0.6
=2.35
(3)2.75×5.8+3.2×275%+2.75
=2.75×(5.8+3.2+1)
=2.75×10
=27.5
(4)
×12.5÷
5 4×8
=(
÷
5 4)×(8×12.5)
=
×100
=25.
计算下面各题,能简算的用简便方法计算. 820-20×24÷80= [135-(35+75)]×48= 8×3×125= 55
(1)820-20×24÷80,=820-480÷80,
=820-6,
=814;(2)[135-(35+75)]×48,
=[135-35-75]×48,
=(100-75)×48,
=25×4×12,
=100×12,
=1200;
(3)8×3×125,
=8×125×3,
=1000×3,
=3000;
(4)55×45-45×45,
=(55-45)×45,
=10×45,
=450;
(5)24×19+24,
=24×(19+1),
=24×20,
=480.
计算下面各题,能简算的要用简便方法计算.①250×8-245 ...
①250×8-245,
=2000-245,
=1755;
②10.15-6.25-3.75+7.85,
=10.15+7.85-(6.25+3.75),
=18-10,
=8;
③
7 8×
5 9+
5 9÷8,
=
×
5 9+
5 9×
1 8,
=(
+
7 8)×
5 9,
=1×
,
=
;
④24+5÷(3-2.5),
=24+5÷0.5,
=24+10,
=34;
⑤
10 13×(
3 4+1÷
5 6),
=
×(
3 4+
6 5),
=
×(
15 20+
24 20),
=
×
39 20,
=
;
⑥2÷[4×(
1 2-
1 3)]
=2÷[4×(
-
2 6)],
=2÷[4×
],
=2÷
计算下面各题,能简算的要用简便方法计算.96÷0.24÷4 2.56×99&nb...
(1)96÷0.24÷4
=96÷(0.24×4)
=96÷0.96
=100;
(2)2.56×99
=2.56×(100-1)
=2.56×100-2.56×1
=256-2.56
=253.44;
(3)19.98÷5.4-2.08
=3.7-2.08
=1.62;
(4)7.8×99+7.8
=7.8×(99+1)
=7.8×100
=780;
(5)14.56÷0.26×7.01
=56×7.01
=392.56;
(6)5.78+0.25×1.6
=5.78+0.4
=6.18.