2.6×(1.7+1.7+.1.7+1.7)怎么简便计算

2.6×(1.7+1.7+.1.7+1.7)怎么简便计算

2.6×(1.7+1.7-1.7+1.7)
=2.6×(4×1.7)
=2.6×6.8
=2.6×(7-0.2)
=2.6×7-2.6×0.2
=18.2-0.52
=17.7
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第1个回答  2018-04-07
1.7×(10-0.1)+0.17=1.7×10-1.7×0.1+0.17=1.7×10

2.6×(1.7+1.7+.1.7+1.7)怎么简便计算
2.6×(1.7+1.7-1.7+1.7)=2.6×(4×1.7)=2.6×6.8 =2.6×(7-0.2)=2.6×7-2.6×0.2 =18.2-0.52 =17.7

怎样简便就怎样计算:2.5×(1.7+1.7+1.7+1.7)、2000...
660-630÷6x5=660-630x1\/6x5=660-525=135

0.25×(1.7+1.7+1.7+1.7)的简便计算方法是什么?
0.25x(1.7+1.7+1.7+1.7)=0.25x1.7x4 =0.25x4x1.7 =1x1.7 =1.7

1.7+1.7+1.7+1.7+1.7+1.7用加法简便运算是?
可以直接写1.7*6 直接算可得:1.7*6=10.2

2.6×1.3+1.7能否用简便方法计算
2.6×1.3+1.7 =3.38+1.7 =5.08

2.5×6.2+2.5×1.7+6.2×1.7有简便计算方法么?
2.5×(1.7+1.7+1.7+1.7)=2.5x1.7X4=2.5x4x1.7=10x1.7=172000+57×11÷19=2000+57x11x1\/19=2000-33=1967 660-6。

2.65×1点七加一点35×1点七的简便运算?
根据题意列出算式:2.65*1.7+1.35*1.7,这道题用到的简便计算方法是乘法结合律,合并同类项,原式=(2.65+1.35)*1.7=4*1.7=6.8。

2.65x1.7+1.35x1.7递等式计算
原式等于 1.7×(2.65+1.35)=1.7×4 =6.8 所以原式的计算结果为6.8

99×1.7+1.7(简便计算)
99×1.7+1.7 =99×1.7+1×1.7 =(99+1)×1.7 =100×1.7 =170

2.65✘1.7 13.5✘0.17简便计算
解:2.65x1.7+13.5x0.17 =2.65x1.7+1.35x1.7 =(2.65+1.35)x1.7 =4x1.7 =6.8

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