3.8×5.46＋7.2×5.46-5.46怎样简算？4.6×2.02怎样简算？
答案:6 悬赏:0 手机版
解决时间 2021-04-04 20:30
- 提问者网友：蓝莓格格巫
- 2021-04-04 11:33
3.8×5.46＋7.2×5.46-5.46怎样简算？4.6×2.02怎样简算？
最佳答案
- 五星知识达人网友：何以畏孤独
- 2021-04-04 13:05
3.8×5.46＋7.2×5.46-5.46
=5.46×(3.8+7.2-1)
=5.46×10
=54.6；
4.6×2.02
=4.6×（2+0.02）
=9.2+0.092
=9.292
=5.46×(3.8+7.2-1)
=5.46×10
=54.6；
4.6×2.02
=4.6×（2+0.02）
=9.2+0.092
=9.292
全部回答
- 1楼网友：摆渡翁
- 2021-04-04 16:51
5.46x（3.8+7.2-1）=54.6,4.6x2+4.6x0.02
- 2楼网友：空山清雨
- 2021-04-04 15:55
3.8×5.46＋7.2×5.46-5.46
=5.46x(3.8+7.2-1)
=5.46x10
=54.6
4.6×2.02
=4.6x2+4.6x0.02
=9.2+0.092
=9.292
=5.46x(3.8+7.2-1)
=5.46x10
=54.6
4.6×2.02
=4.6x2+4.6x0.02
=9.2+0.092
=9.292
- 3楼网友：十鸦
- 2021-04-04 15:09
3.8×5.46＋7.2×5.46-5.46
=(3.8+7.2)*5.46-5.46
=11*5.46-5.46
=(11-1)*5.46
=10*5.46
=54.6
4.6×2.02
=(4.6+0.4-0.4)*2.02
=5*2.02-0.4*2.02
=10.1-0.808
=9.292
=(3.8+7.2)*5.46-5.46
=11*5.46-5.46
=(11-1)*5.46
=10*5.46
=54.6
4.6×2.02
=(4.6+0.4-0.4)*2.02
=5*2.02-0.4*2.02
=10.1-0.808
=9.292
- 4楼网友：旧脸谱
- 2021-04-04 14:55
3.8×5.46＋7.2×5.46-5.46
=5.46X（3.8+7.2-1）
=5.46X10
=54.6
4.6×2.02
=4.6X（2+0.02）
=4.6X2+4.6X0.02
=9.2+0.092
=9.292
=5.46X（3.8+7.2-1）
=5.46X10
=54.6
4.6×2.02
=4.6X（2+0.02）
=4.6X2+4.6X0.02
=9.2+0.092
=9.292
- 5楼网友：蓝房子
- 2021-04-04 14:23
3.8×5.46＋7.2×5.46-5.46
=5.46（3.8+7.2-1）
=5.46*10
=54.6
4.6×2.02
=4.6*2*(1+0.01)
=9.2+0.092
=9.292
=5.46（3.8+7.2-1）
=5.46*10
=54.6
4.6×2.02
=4.6*2*(1+0.01)
=9.2+0.092
=9.292
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