Question

5.3*4*68简便运算怎么做

Answer 1

5.3*4*68简便运算怎么做

5.3*4*68简便运算怎么做
5.3*4*68
=21.2*68
=
1441.6
直接计算

3.26×5.3+0.74+5.3的简便运算怎么做

3.26×5.3+0.74+5.3
=（3.26+0.74）×5.3
=4×5.3
=21.2

15.4-5.3+4.6-4.7简便运算怎么做

15.4-5.3+4.6-4.7简便运算
=（15.4+4.6）-（5.3+4.7）
=20-10
=10

5.512÷5.3 4.7×1.6用简便运算怎么做?

5.512÷5.3 +4.7×1.6
=1.04+7.52
=8.56
没有简算，直接计算

126-68用简便运算怎么做

126-68
=126-70+2
=56+2
=58

18.3*2.5-5.3#0.4的简便运算怎么做？

18.3*2.5-5.3÷0.4
=18.3*2.5-5.3*2.5
=（18.3-5.3）*2.5
=13*2.5
=32.5

680×12+68×80简便运算怎么做

=68×10×12+68×80
=68×120+68×80
=68×（120+80）
=68×200
=60×200+8×200
=12000+1600
=13600

70×68＋5×680 简便运算怎么做

70×68＋5×680
=70×68＋50×68
=(70+50) ×68
=(100+20)×68
=6800+1360
=8160

35*68+68+68*64简便运算怎么做讲解

35*68+68+68*64
=68*(35+1+64)
=68*100
=6800

简便运算 103×24 423—68＋32 怎么做？？？

103×24
=(100+3)×24
=100×24+3×24
=2400+72
=2472
423—68＋32
错了，应该是423-68-32
=423-(68+32)
=423-100
=323