22×47+42×53=______.
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22×47+42×53=______.
![22×47+42×53=______.](/uploads/image/z/17190216-0-6.jpg?t=22%C3%9747%2B42%C3%9753%3D______%EF%BC%8E)
22×47+42×53,
=1034+2226,
=3260.
故答案为:3260.
=1034+2226,
=3260.
故答案为:3260.
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=______×______.
2.23×22×32×52=______.
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:______:______=______:______.