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五上简便计算题大全 下面各题能简便计算的写出简算过程.①21.35-3.25-16.75②33.02-(148.4-90.85)÷

火烧 2022-07-01 04:32:33 1110
下面各题能简便计算的写出简算过程.①21.35-3.25-16.75②33.02-(148.4-90.85)÷ 下面各题能简便计算的写出简算过程.①21.35-3.25-16.75②33.02-(14

下面各题能简便计算的写出简算过程.①21.35-3.25-16.75②33.02-(148.4-90.85)÷  

下面各题能简便计算的写出简算过程.①21.35-3.25-16.75②33.02-(148.4-90.85)÷, 下面各题能简便计算的写出简算过程.①21.35-3.25-16.75 &...

据分析解答如下:
(1)21.35-3.25-16.75,
=21.35-(3.25+16.75),
=21.35-20,
=1.35;

五上简便计算题大全 下面各题能简便计算的写出简算过程.①21.35-3.25-16.75②33.02-(148.4-90.85)÷
(2)33.02-(148.4-90.85)÷2.5,
=33.02-57.55÷2.5,
=33.02-23.02,
=10;

(3)32×2.5×0.125,
=4×8×2.5×0.125,
=(4×2.5)×(8×0.125),
=10×1,
=10;

(4)18.1+(3-0.299÷0.23)×1,
=18.1+(3-1.3)×1,
=18.1+1.7×1,
=18.1+1.7,
=19.8.

33.02-(148.4-90.85)2.5用简便计算

=33.02-57.55/2.5
=33.02-23.02
=10

33.02-(148.4-90.85)÷2.5 简算

33.02-(148.4-90.85)÷2.5
=33.02-57.55÷2.5
=33.02-(57.55X4)÷(2.5X4)
=33.02-23.02
=10

计算下面各题,怎样简便就怎样算. 33.02-(148.4-90.85)÷2.5   423×0.6+0.6÷314 (1

(1)33.02-(148.4-90.85)÷2.5,
=33.02-57.55÷2.5,
=33.02-23.02,
=10;

(2)4

2 3

×0.6+0.6÷

3 14


=4

2 3

×0.6+0.6×

14 3


=(4

2 3

+

14 3

)×0.6,
=

28 3

×0.6,
=5.6;

(3)(1÷

2 7

+

2 7

÷1)÷5.1,
=(

7 2

+

2 7

)÷5.1,
=

53 14

÷5.1,
=

265 357

(4)218.1+(3

1 5

-0.299÷0.23)×1

1 2


=218.1+(3

1 5

-1.3)×1

1 2


=218.1+1.9×1

1 2


=218.1+2.85,
=220.95.

脱式计算下面各题.(1)2700×(506-499)÷300(2)33.02-(148.4-90.85)÷2.5(3)(1÷1-1)

(1)2700×(506-499)÷300,
=2700×7÷300,
=2700÷300×7,
=9×7,
=63;

(2)33.02-(148.4-90.85)÷2.5,
=33.02-57.55÷2.5,
=33.02-23.02,
=10;

(3)(1÷1-1)÷2013,
=(1-1)÷2013,
=0;

(4)18.1+(3-0.299÷0.23)×100,
=18.1+(3-1.3)×100,
=18.1+1.7×100,
=18.1+170,
=188.1.

简便计算:(写出简算过程)

这个很简单,可以看做一个等差数列的求和。
即20+(19-18)+(17-16)+……+1=20+9*1+1=30

脱式计算.①2700×(506-499)÷900②33.02-(148.4-90.85)÷2

①2700×(506-499)÷900
=2700×7÷900,
=2700÷900×7,
=3×7,
=21;

②33.02-(148.4-90.85)÷2.5
=33.02-57.55÷2.5,
=33.02-23.02,
=10;

③(1÷1-1)÷5.1
=(1-1)÷5.1,
=0÷5.1,
=0;

④18.1+(3-0.299÷0.23)×1
=18.1+(3-1.3)×1,
=18.1+1.7×1,
=18.1+1.7,
=19.8.

  
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