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- 2026-04-27☆×△×○=☆×( × )
- 2026-04-27420÷35的简便算法是 [ ]A．420÷5×7 B．420÷5÷7 C．420÷7×5
- 2026-04-27和25×24相等的算式是 [ ]A． B． C．×4
- 2026-04-27小法官巧断案(对的打“√ .错的打“× ). = 4×25+4×5 [ ]=312-12+47 [ ](3)102×55=100×55+2×55 [ ](4)△×☆+○×☆=×☆ [ ](5)650÷
- 2026-04-27a- (b+c) = a-( )-( )
- 2026-04-273000÷125÷8=3000÷( × )
- 2026-04-2724×25=24×100÷
- 2026-04-27a×= a×23+( × ).