1.=41*(35*2)=41*70=2870
41×35×2=41×7×5×2=287×10=2870136×4.06+4.06×64=4.06×(136+64)=4.06×200=812最后一个=4.6×8+4.6×2=4.6×(8+2)=4.6×10=46
=41×(35×2)=41×70=2870=4.06×(136+64)=4.06×200=812=4.6×(8+2)=4.6×10=46
要列式吗?