13×3x2简便计算
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80.4x2.5简便计算80.4x2.5=(80+0.4)x2.5=80x2.5+0.4x2.5=200+1=201
4.8/(4.8x2简便计算)全部展开收起
7.5X2.3+1.9X2.5+12.5X2.5简便计算7.5X2.3+1.9X2.5+12.5X2.5=2.5×2.3+1.9×2.5+12.5×2.5=2.5×(2.3+1.9+12.5)=2.5×16.7=10×16.7×1/4=16
(8-6/13-7/13)x2/7的简便计算
11/8+9/5x2/9+3/5简便计算11/8+9/5x2/9+3/5=11/8+2/5+3/5=11/8+(2/5+3/5)=11/8+1=19/8祝学习进步,望采纳,不懂得欢迎追问.11/8+9/5x2/9+3/5=11/8+(2/5
用简便算法计算:47.6X2.3+4.76X7847.6X2.3+47.6X7.8=4.76(23+78)=4.76(100+1)=476+4.76=480.76
0、3x2、5xO、4简便计算0.3×2.5×0.4=0.3×(2.5×0.4)=0.3×1=0.3说清楚点0,604
简便计算:0.75x16+3/4x5一75%2.7x0.6+4/5x2.7-2.7x2/简便计算:0.75x16+3/4x5一75%2.7x0.6+4/5x2.7-2.7x2/595x38+62÷1/950.75*(16+5-1)=0.75
简便计算:7.5x2.3+1.9x2.5+12.5x0.42.5*3*2.3+1.9*2.5+2.5*5*0.4=2.5*(6.9+1.9+2)=2.5*10.8=27原式=2.5(6.9+1.9+2)=27原式=2.5*(6.9+1.9+
简便计算:12.5x2.5x612.5x2.5x16应该是乘以16吧=12.5×2.5×8×2=(12.5×8)×(2.5×2)=100×5=50012.5x2.5x6=2.5x5x2.5x6=2.5²x30=6.25x30=62
3500/(7x2)简便计算3500÷(7x2)=3500÷7÷2=500÷2=250【希望可以帮到你】先算3500除以7,是500,再算500除以2,是250
168.1\(4.3x2-0.4)简便计算=(164+4.1)/8.2=164/8.2+4.1/8.2=20+0.5=20.5
0.3x2.5x0.4简便计算=0.3×(2.5×0.4)=0.3×1=0.30.3x2.5x0.4=0.3x(2.5x0.4)=0.3X1=0.30.3x2.5x0.4=0.3*1=0.3
0.94x2.05-0.45简便计算0.94x2.05-0.45=(1-0.06)×2.05-0.45=2.05-0.123-0.45=2.05-0.45-0.123=1.6-0.123=1.477
0.64x12.5x2.5x2简便计算0.64x12.5x2.5x2=0.8*0.4*2*12.5*2.5*2=(0.8*12.5)*(0.4*2.5)*2*2=10*1*2*2=40
1.2x2.5+2.8x2.5简便计算1.2x2.5+2.8x2.5=(1.2+2.8)x2.5=4x2.5=10解1.2x2.5+2.8x2.5=2.5×(1.2+2.8)=2.5×4=101.2x2.5+2.8x2.5=(1.2+2.8
3.8x2.5x0.4简便计算可以简便吗?先计算2.5*0.4=1再计算3.8*1=3.8
0.125的3次方x0.25的3次方x2的6次方x2的12次方,简便计算(1/8)^3x(1/4)^3x2^6x2^12=2的(-9-6+6+12)次方=2的3次方=80.125的3次方x0.25的3次方x2的6次方x2的12次方=0.5的
简便计算,4/17X171/13+6X2/17+4/13X11/174/17X171/13+6X2/17+4/13X11/17=(4X171)/(17X13)+12/17+4*11/(17X13)=(4X171+12X13+4X11)/(1
用简便方法计算下列各题50x2.13x0.02==看不懂本题考察是用简便方法计算求值,由题目可以观察到50与0.02的关系刚好为一.原式=50*0.02*2.13=1*2.13=2.13