12345+23451+34512+45123+51234=______.
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12345+23451+34512+45123+51234=______.
12345+23451+34512+45123+51234,
=(1+2+3+4+5)×(10000+1000+100+10+1),
=15×10000+15×1000+15×100+15×10+15,
=150000+15000+1500+150+15,
=166665.
故答案为:166665
=(1+2+3+4+5)×(10000+1000+100+10+1),
=15×10000+15×1000+15×100+15×10+15,
=150000+15000+1500+150+15,
=166665.
故答案为:166665
125×(4+8)=______×______+______×______.
填质数:21=______+______=______×______=______-______.
3.76°=______度 ______分 ______秒.
填上适当的质数.24=______+______=______+______=______+______.
巧填单位名称.1______-59______=1______;1______-9______=1______;1___
0.87×99+0.87=______×______.
0.125=5:______=______%=______÷______.
根据1.2×4=0.6×8,可以写成比例______:______=______:______.
0.4:1.2=0.6:1.8可改写成______×______=______×______.
______升______毫升=4050毫升 6.25小时=______时______分.
从36的约数中选出4个数组成比例:______:______=______:______.
27046=2×______+7×______+4×______+6×______.