9.8乘3.6加7.2乘0.1
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/29 16:22:02
1.25乘9.1乘0.7加1.25乘9.1乘0.1=1.25乘9.1乘(0.7加0.1)=1.25X9.1X0.8=1.25X0.8X9.1=9.1
7.29乘4.6加46乘1.271=0.729×46+46×1.271=(0.729+1.271)×46=2×46=929.6乘3.6加8.2乘0.2=9.6×9×0.4+4.1×0.4=(9.6×9
合并同类项:7.2*37+7.2*36=7.2*(37+63)=7.2*100=720再问:49减11分之4减11分之7简便运算再问:可以快点回复我吗?再问:
=9.8/2*(3.4*2)+6.8*0.1=4.9*6.8+6.8*0.1=6.8*5=6.8*10/2=34
3.6×98+36×0.2=36×9.8+36×0.2=36×(9.8+0.2)=360如果本题有什么不明白可以追问,
5乘3.2+0.8乘5=5*(3.2+0.8)=5*4=2058.4乘10除58.4乘10=58.4/58.4*10*10=1*100=100538乘99加538=538*(99+1)=538*100
用计算机一下就出来了.或者换成分数、14/5*6/518/5*6/5=206/25*代表乘以
5.1乘3.6加2.1乘3.6加7.2乘6.4=3.6x(5.1+2.1)+7.2x6.4=3.6x7.2+6.4x7.2=7.2x10=72
=6.27×3.6+3.78×10×0.36=6.27×3.6+3.78×3.6=(6.27+3.78)×3.6=10.05×3.6=(10+0.05)×3.6=10×3.6+0.05×3.6=36+
1.原式=3.6*4.7+3.6*5.1+3.6*0.2=3.6*(4.7+5.1+0.2)=3.6*10=362.原式=1.2*3.8+1.2*3.8+1.2*24=1.2*(3.8+3.8+24)
3.6*3.8+36*0.72=36*0.38+36*0.72=36*(0.38+0.72)=36*1.1=36+3.6=39.6
3.6×11.1+1.2×66.7=1.2×3×11.1+1.2×66.7=1.2×(33.3+66.7)=1.2×100=1207.2×14.5+17×2.8=(10-2.8)×14.5+17×2.
10再问:我要过程!再答:我给你说简便方法再答:你先采纳再答:0.125×8等于1再问:过程呢?再答:前面就等于3.14再算后面再答:后面等于6.86再答:6.86+3.14就等于10再答:6.86+
=9.8*3.6+3.6*2*0.1=3.6*(9.8+0.2)=3.6*10=36
=2.4×3×0.2+2.4×1.4=2.4×0.6+2.4×1.4=2.4×(0.6+1.4)=2.4×2=4.8
=3.8×(7.2+3.8-1)=3.8×10=38
9.8*3.4+6.8*0.1=(10-0.2)*3.4+6.8=34-0.68+0.68=34
2.8乘(5.08)加7.2乘(5.08)等于50.8
寒樱暖暖为你4.8×2.8+9.6×3.6=4.8×2×1.4+9.6×3.6=9.6×1.4+9.6×3.6=9.6×(1.4+3.6)=9.6×5=48(或在客户端右上角评价点【满意】)是我前进的