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后简 0.57*1.9+0.057怎么简算
0.57*1.9+0.057怎么简算 0.57*1.9+0.057怎么简算0.57*1.9+0.057=0.57*1.9+0.57*0.1=0.57*(1.9+0.1)=0.57*2=1.140.57
0.57*1.9+0.057怎么简算
0.57*1.9+0.057怎么简算
0.57*1.9+0.057
=0.57*1.9+0.57*0.1
=0.57*(1.9+0.1)
=0.57*2
=1.14
0.57×99 0.057×10简便计算
0.57×99+0.057×10
=0.57×99+0.57×1
=0.57×(99+1)
=0.57×100
=57
5.4 72.43 0.57怎么简算
5.4 72.43 0.57怎么简算
5.4 72.43 0.57
=5.4+(72.43+0.57)
=5.4+73
=78.4
1.9×0.57+0.43×1.9怎么算
=1.9×(0.57+0.43)
=1.9×1
=1.9
0.57*99-0.57的简算方法
0.57*99+0.57
=0.57*(99+1)
=0.57*100
=57
2.8×1.45+0.57简算
2.8×1.45+0.57
=4.06+0.57
=4.63
1.9×86 2.6×14怎么简算
1.9×86+ 2.6×14
= 1.9x(86+14) +0.7x14
= 190 + 9.8 = 199.8

38减47.9乘1.9简算怎么算
38减47.9乘1.9简算怎么算
38-47.9×1.9
=38-(48-0.1)(2-0.1)
=38-(96-5+0.01)
=38-96+5-0.01
=-53.01
1.9乘20.83-(12.83-8)乘1.9怎么简算
1.9*(12.83+8)-1.9*(12.83-8)
=1.9*(12.83+8-12.83+8)
1.9*16=32-1.6=30.4
50.4*1.9-1.9怎样简算
(50+0.4)*1.9-1.9=50*1.9+0.4*1.9-1*1.9=95+(0.4-1)*1.9=95-1.14=93.86
(50.4-1)*1.9=49.4*1.9=49.4*(2-0.1)=98.8-4.94=93.86
反正就是因式分解呗。。。。。额,我是这样想的
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